22836872 has 8 divisors (see below), whose sum is σ = 42819150. Its totient is φ = 11418432.

The previous prime is 22836857. The next prime is 22836887. The reversal of 22836872 is 27863822.

It is an interprime number because it is at equal distance from previous prime (22836857) and next prime (22836887).

It can be written as a sum of positive squares in only one way, i.e., 22791076 + 45796 = 4774^2 + 214^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1427297 + ... + 1427312.

Almost surely, 2^22836872 is an apocalyptic number.

It is an amenable number.

22836872 is a deficient number, since it is larger than the sum of its proper divisors (19982278).

22836872 is a wasteful number, since it uses less digits than its factorization.

22836872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2854615 (or 2854611 counting only the distinct ones).

The product of its digits is 64512, while the sum is 38.

The square root of 22836872 is about 4778.7939901193. The cubic root of 22836872 is about 283.7127625518.

The spelling of 22836872 in words is "twenty-two million, eight hundred thirty-six thousand, eight hundred seventy-two".