22897974 has 16 divisors (see below), whose sum is σ = 49959360. Its totient is φ = 6938760.

The previous prime is 22897969. The next prime is 22897999. The reversal of 22897974 is 47979822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173404 + ... + 173535.

It is an arithmetic number, because the mean of its divisors is an integer number (3122460).

Almost surely, 2^22897974 is an apocalyptic number.

22897974 is an abundant number, since it is smaller than the sum of its proper divisors (27061386).

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

22897974 is a wasteful number, since it uses less digits than its factorization.

22897974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346955.

The product of its digits is 508032, while the sum is 48.

The square root of 22897974 is about 4785.1827551307. The cubic root of 22897974 is about 283.9655697863.

It can be divided in two parts, 22897 and 974, that added together give a triangular number (23871 = T₂₁₈).

The spelling of 22897974 in words is "twenty-two million, eight hundred ninety-seven thousand, nine hundred seventy-four".