The factors of 622 are 1, 2, 311, 622
1, 2, 4, 311, 622, 1244.
The multiples of 1,224 (which are infinite) are all divisible by 1,224, including these: 1244, 2488, 3732, 4976, 6220, 7464, 8708, 9952, 11196 . . .
Divide by 622.
As 4 is less than 621, 4 is not divisible by 621. Nor is 621 divisible by 4: 4 is even and all multiples of 4 are even, 621 is odd and so cannot be a multiple of 4. To check divisibility by 4, if the the last 2 digits are divisible by 4, the original number is divisible by 4. For 621, the last 2 digits are 21 and 21 is not divisible by 4, thus 621 is not divisible by 4; nor is 622 since the last 2 digits 22 is not divisible by 4.
622
equivalent fractions of 622 = 622/1, 1244/2, 1866/3, ...
622 = seiscientos veintidos
622 / 2 = 311
1, 2, 311, 622
72
1285 + 622 = 1907
622 = 2 x 311