Q: Is 1,222,428 a Prime Number?
A: No, 1,222,428 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 1222428 can be evenly divided by 1 2 3 4 6 12 101,869 203,738 305,607 407,476 611,214 and 1,222,428, with no remainder.
Since 1,222,428 cannot be divided by just 1 and 1,222,428, it is not a prime number.