422926739 has 2 divisors, whose sum is σ = 422926740. Its totient is φ = 422926738.

The previous prime is 422926733. The next prime is 422926747. The reversal of 422926739 is 937629224.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422926739 is a prime.

It is a super-2 number, since 2×422926739² = 357734053122348242, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 422926739.

It is not a weakly prime, because it can be changed into another prime (422926733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211463369 + 211463370.

It is an arithmetic number, because the mean of its divisors is an integer number (211463370).

Almost surely, 2^422926739 is an apocalyptic number.

422926739 is a deficient number, since it is larger than the sum of its proper divisors (1).

422926739 is an equidigital number, since it uses as much as digits as its factorization.

422926739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 44.

The square root of 422926739 is about 20565.1826882233. The cubic root of 422926739 is about 750.6227355316.

The spelling of 422926739 in words is "four hundred twenty-two million, nine hundred twenty-six thousand, seven hundred thirty-nine".