No problem, we've got 4163 and 5285 to multiply
4163 × 5285 = 5285 × (4163)
+ 5285 × 3 that results in 15855
+ 5285 × 60 producing 317100
+ 5285 × 100 producing 528500
+ 5285 × 4000 that equals 21140000

= 22001455
