22956911 has 2 divisors, whose sum is σ = 22956912. Its totient is φ = 22956910.

The previous prime is 22956907. The next prime is 22956931. The reversal of 22956911 is 11965922.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22956911 - 2² = 22956907 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22956931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11478455 + 11478456.

It is an arithmetic number, because the mean of its divisors is an integer number (11478456).

Almost surely, 2^22956911 is an apocalyptic number.

22956911 is a deficient number, since it is larger than the sum of its proper divisors (1).

22956911 is an equidigital number, since it uses as much as digits as its factorization.

22956911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9720, while the sum is 35.

The square root of 22956911 is about 4791.3370785199. The cubic root of 22956911 is about 284.2089936559.

The spelling of 22956911 in words is "twenty-two million, nine hundred fifty-six thousand, nine hundred eleven".