22523964 has 24 divisors (see below), whose sum is σ = 52652880. Its totient is φ = 7494144.

The previous prime is 22523957. The next prime is 22523983. The reversal of 22523964 is 46932522.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6682 + ... + 9470.

It is an arithmetic number, because the mean of its divisors is an integer number (2193870).

Almost surely, 2^22523964 is an apocalyptic number.

It is an amenable number.

22523964 is an abundant number, since it is smaller than the sum of its proper divisors (30128916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22523964 is a wasteful number, since it uses less digits than its factorization.

22523964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3469 (or 3467 counting only the distinct ones).

The product of its digits is 25920, while the sum is 33.

The square root of 22523964 is about 4745.9418454086. The cubic root of 22523964 is about 282.4109997133.

It can be divided in two parts, 2252 and 3964, that added together give a triangular number (6216 = T₁₁₁).

The spelling of 22523964 in words is "twenty-two million, five hundred twenty-three thousand, nine hundred sixty-four".