22887724 has 6 divisors (see below), whose sum is σ = 40053524. Its totient is φ = 11443860.

The previous prime is 22887713. The next prime is 22887743. The reversal of 22887724 is 42778822.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2860962 + ... + 2860969.

Almost surely, 2^22887724 is an apocalyptic number.

It is an amenable number.

22887724 is a deficient number, since it is larger than the sum of its proper divisors (17165800).

22887724 is a wasteful number, since it uses less digits than its factorization.

22887724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5721935 (or 5721933 counting only the distinct ones).

The product of its digits is 100352, while the sum is 40.

The square root of 22887724 is about 4784.1116207714. Note that the first 3 decimals coincide. The cubic root of 22887724 is about 283.9231922161.

The spelling of 22887724 in words is "twenty-two million, eight hundred eighty-seven thousand, seven hundred twenty-four".