22985724 has 12 divisors (see below), whose sum is σ = 53633384. Its totient is φ = 7661904.

The previous prime is 22985701. The next prime is 22985741. The reversal of 22985724 is 42758922.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 957727 + ... + 957750.

Almost surely, 2^22985724 is an apocalyptic number.

It is an amenable number.

22985724 is an abundant number, since it is smaller than the sum of its proper divisors (30647660).

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

22985724 is a wasteful number, since it uses less digits than its factorization.

22985724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1915484 (or 1915482 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 22985724 is about 4794.3429163964. The cubic root of 22985724 is about 284.3278466116.

The spelling of 22985724 in words is "twenty-two million, nine hundred eighty-five thousand, seven hundred twenty-four".