22956661 has 16 divisors (see below), whose sum is σ = 29232000. Its totient is φ = 17535168.

The previous prime is 22956653. The next prime is 22956671. The reversal of 22956661 is 16665922.

It is not a de Polignac number, because 22956661 - 2³ = 22956653 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22956661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22956601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1711 + ... + 6988.

It is an arithmetic number, because the mean of its divisors is an integer number (1827000).

Almost surely, 2^22956661 is an apocalyptic number.

It is an amenable number.

22956661 is a deficient number, since it is larger than the sum of its proper divisors (6275339).

22956661 is a wasteful number, since it uses less digits than its factorization.

22956661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8748.

The product of its digits is 38880, while the sum is 37.

The square root of 22956661 is about 4791.3109896979. The cubic root of 22956661 is about 284.2079619766.

The spelling of 22956661 in words is "twenty-two million, nine hundred fifty-six thousand, six hundred sixty-one".