23642522 has 12 divisors (see below), whose sum is σ = 36647658. Its totient is φ = 11439000.

The previous prime is 23642513. The next prime is 23642537. The reversal of 23642522 is 22524632.

It can be written as a sum of positive squares in only one way, i.e., 21335161 + 2307361 = 4619^2 + 1519^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23642491 and 23642500.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 4229 + ... + 8072.

Almost surely, 2^23642522 is an apocalyptic number.

23642522 is a deficient number, since it is larger than the sum of its proper divisors (13005136).

23642522 is a wasteful number, since it uses less digits than its factorization.

23642522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12365 (or 12334 counting only the distinct ones).

The product of its digits is 5760, while the sum is 26.

The square root of 23642522 is about 4862.3576585850. The cubic root of 23642522 is about 287.0105982562.

The spelling of 23642522 in words is "twenty-three million, six hundred forty-two thousand, five hundred twenty-two".