22456964 has 12 divisors (see below), whose sum is σ = 39333084. Its totient is φ = 11218944.

The previous prime is 22456961. The next prime is 22456969. The reversal of 22456964 is 46965422.

It can be written as a sum of positive squares in 2 ways, for example, as 4884100 + 17572864 = 2210^2 + 4192^2 .

It is not an unprimeable number, because it can be changed into a prime (22456961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7124 + ... + 9780.

It is an arithmetic number, because the mean of its divisors is an integer number (3277757).

Almost surely, 2^22456964 is an apocalyptic number.

It is an amenable number.

22456964 is a deficient number, since it is larger than the sum of its proper divisors (16876120).

22456964 is a wasteful number, since it uses less digits than its factorization.

22456964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4774 (or 4772 counting only the distinct ones).

The product of its digits is 103680, while the sum is 38.

The square root of 22456964 is about 4738.8779262606. The cubic root of 22456964 is about 282.1307007772.

The spelling of 22456964 in words is "twenty-two million, four hundred fifty-six thousand, nine hundred sixty-four".