22974287 has 12 divisors (see below), whose sum is σ = 28132920. Its totient is φ = 18655056.

The previous prime is 22974241. The next prime is 22974307. The reversal of 22974287 is 78247922.

It is not a de Polignac number, because 22974287 - 2¹⁶ = 22908751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22973287) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11408 + ... + 13269.

It is an arithmetic number, because the mean of its divisors is an integer number (2344410).

Almost surely, 2^22974287 is an apocalyptic number.

22974287 is a deficient number, since it is larger than the sum of its proper divisors (5158633).

22974287 is a wasteful number, since it uses less digits than its factorization.

22974287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24710 (or 24703 counting only the distinct ones).

The product of its digits is 112896, while the sum is 41.

The square root of 22974287 is about 4793.1500080845. The cubic root of 22974287 is about 284.2806811467.

The spelling of 22974287 in words is "twenty-two million, nine hundred seventy-four thousand, two hundred eighty-seven".