23422572 has 18 divisors (see below), whose sum is σ = 59207148. Its totient is φ = 7807512.

The previous prime is 23422571. The next prime is 23422627. The reversal of 23422572 is 27522432.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (23422571) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 325278 + ... + 325349.

It is an arithmetic number, because the mean of its divisors is an integer number (3289286).

Almost surely, 2^23422572 is an apocalyptic number.

It is an amenable number.

23422572 is an abundant number, since it is smaller than the sum of its proper divisors (35784576).

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

23422572 is a wasteful number, since it uses less digits than its factorization.

23422572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650637 (or 650632 counting only the distinct ones).

The product of its digits is 6720, while the sum is 27.

The square root of 23422572 is about 4839.6871799735. The cubic root of 23422572 is about 286.1177893548.

The spelling of 23422572 in words is "twenty-three million, four hundred twenty-two thousand, five hundred seventy-two".