Let's divide 4074021 by 522
The aim is to understand the frequency of 522 in 4074021.

Let's proceed to step 1:
When dividing 4 by 522, we get 0 with a remainder of 4.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtract 0 from 4 to get 4.
Fetch the next digit (0) from the dividend, attach it to 4 and continue: 40 / 522

Advancing to step 2:
When dividing 40 by 522, we get 0 with a remainder of 40.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Deduct 0 from 40 and we're left with 40.
Fetch the next digit (7) from the dividend, attach it to 40 and continue: 407 / 522

On to step 3:
When dividing 407 by 522, we get 0 with a remainder of 407.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtract 0 from 407 to get 407.
Fetch the next digit (4) from the dividend, attach it to 407 and continue: 4074 / 522

On to step 4:
When dividing 4074 by 522, we get 7 with a remainder of 420.
Put 7 as the next digit of the answer. 
Result so far: 7.0
Deduct 3654 from 4074 and we're left with 420.
Fetch the next digit (0) from the dividend, attach it to 420 and continue: 4200 / 522

Going ahead to step 5:
4200 divided by 522 is 8 with a remainder of 24.
Write down 8 as next digit of the result. 
Result so far: 78.0
Subtracting 4176 from 4200 leaves us with 24.
Fetch the next digit (2) from the dividend, attach it to 24 and continue: 242 / 522

Moving on to step 6:
The number 522 fits into 242 0 times, leaving a remainder of 242.
Put 0 as the next digit of the answer. 
Result so far: 780.0
Subtract 0 from 242 to get 242.
Grab the next digit (1) from the dividend, add it to 242, then carry on: 2421 / 522

Moving on to step 7:
522 can be fit into 2421 4 times, resulting in a remainder of 333.
The number 4 becomes the next digit in our result. 
Result so far: 7804.0
The remainder is 333 after subtracting 2088 from 2421.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3330, and continue the process.

Let's proceed to step 8:
If we divide 3330 by 522, we get 6 and a remainder of 198.
The number 6 becomes the next digit in our result. 
Result so far: 7804.6
Subtracting 3132 from 3330 leaves us with 198.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1980, and continue the process.

Step 9:
The number 522 fits into 1980 3 times, leaving a remainder of 414.
The next digit of our result is 3. 
Result so far: 7804.63
Subtract 1566 from 1980 to get 414.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4140, and continue the process.

Let's proceed to step 10:
522 can be fit into 4140 7 times, resulting in a remainder of 486.
The next digit of our result is 7. 
Result so far: 7804.637
Subtract 3654 from 4140 to get 486.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4860, and continue the process.

Let's proceed to step 11:
522 goes into 4860 9 times with a remainder of 162.
Put 9 as the next digit of the answer. 
Result so far: 7804.6379
Subtracting 4698 from 4860 leaves us with 162.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1620, and continue the process.

On to step 12:
1620 divided by 522 is 3 with a remainder of 54.
The next digit of our result is 3. 
Result so far: 7804.63793
The remainder is 54 after subtracting 1566 from 1620.
Since there are no more digits in the dividend, we add a zero to the remainder making it 540, and continue the process.

Going ahead to step 13:
The number 522 fits into 540 1 times, leaving a remainder of 18.
The next digit of our result is 1. 
Result so far: 7804.637931
If we take 522 away from 540, we end up with 18.
Since there are no more digits in the dividend, we add a zero to the remainder making it 180, and continue the process.

Step 14:
When dividing 180 by 522, we get 0 with a remainder of 180.
Record the quotient 0 as the next digit in the result. 
Result so far: 7804.637931
If we take 0 away from 180, we end up with 180.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1800, and continue the process.

Moving on to step 15:
522 goes into 1800 3 times with a remainder of 234.
Use 3 as the next digit of our solution. 
Result so far: 7804.63793103
Subtracting 1566 from 1800 leaves us with 234.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2340, and continue the process.

In conclusion, the division gives 7804.63793103 with a balance of 2.34e-07.