22920907 has 2 divisors, whose sum is σ = 22920908. Its totient is φ = 22920906.

The previous prime is 22920883. The next prime is 22920979. The reversal of 22920907 is 70902922.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22920907 - 2²³ = 14532299 is a prime.

It is not a weakly prime, because it can be changed into another prime (22920307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11460453 + 11460454.

It is an arithmetic number, because the mean of its divisors is an integer number (11460454).

Almost surely, 2^22920907 is an apocalyptic number.

22920907 is a deficient number, since it is larger than the sum of its proper divisors (1).

22920907 is an equidigital number, since it uses as much as digits as its factorization.

22920907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 22920907 is about 4787.5784066687. The cubic root of 22920907 is about 284.0603381353.

The spelling of 22920907 in words is "twenty-two million, nine hundred twenty thousand, nine hundred seven".