22974527 has 4 divisors (see below), whose sum is σ = 23093760. Its totient is φ = 22855296.

The previous prime is 22974517. The next prime is 22974551. The reversal of 22974527 is 72547922.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72547922 = 2 ⋅36273961.

It is a cyclic number.

It is not a de Polignac number, because 22974527 - 2²⁴ = 6197311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22974517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59327 + ... + 59712.

It is an arithmetic number, because the mean of its divisors is an integer number (5773440).

Almost surely, 2^22974527 is an apocalyptic number.

22974527 is a deficient number, since it is larger than the sum of its proper divisors (119233).

22974527 is a wasteful number, since it uses less digits than its factorization.

22974527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119232.

The product of its digits is 70560, while the sum is 38.

The square root of 22974527 is about 4793.1750437471. The cubic root of 22974527 is about 284.2816710523.

The spelling of 22974527 in words is "twenty-two million, nine hundred seventy-four thousand, five hundred twenty-seven".