22573924 has 12 divisors (see below), whose sum is σ = 39595500. Its totient is φ = 11260928.

The previous prime is 22573883. The next prime is 22573933. The reversal of 22573924 is 42937522.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19448100 + 3125824 = 4410^2 + 1768^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22573924.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4489 + ... + 8080.

It is an arithmetic number, because the mean of its divisors is an integer number (3299625).

Almost surely, 2^22573924 is an apocalyptic number.

It is an amenable number.

22573924 is a deficient number, since it is larger than the sum of its proper divisors (17021576).

22573924 is a wasteful number, since it uses less digits than its factorization.

22573924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13022 (or 13020 counting only the distinct ones).

The product of its digits is 30240, while the sum is 34.

The square root of 22573924 is about 4751.2023741365. The cubic root of 22573924 is about 282.6196491108.

The spelling of 22573924 in words is "twenty-two million, five hundred seventy-three thousand, nine hundred twenty-four".