22904507 has 2 divisors, whose sum is σ = 22904508. Its totient is φ = 22904506.

The previous prime is 22904501. The next prime is 22904537. The reversal of 22904507 is 70540922.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22904507 - 2¹⁰ = 22903483 is a prime.

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 22904507.

It is not a weakly prime, because it can be changed into another prime (22904501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11452253 + 11452254.

It is an arithmetic number, because the mean of its divisors is an integer number (11452254).

Almost surely, 2^22904507 is an apocalyptic number.

22904507 is a deficient number, since it is larger than the sum of its proper divisors (1).

22904507 is an equidigital number, since it uses as much as digits as its factorization.

22904507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 22904507 is about 4785.8653345033. The cubic root of 22904507 is about 283.9925732039.

The spelling of 22904507 in words is "twenty-two million, nine hundred four thousand, five hundred seven".