Q: Is 509,222 a Prime Number?
A: No, 509,222 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 509222 can be evenly divided by 1 2 7 14 36,373 72,746 254,611 and 509,222, with no remainder.
Since 509,222 cannot be divided by just 1 and 509,222, it is not a prime number.