22464572 has 24 divisors (see below), whose sum is σ = 42632352. Its totient is φ = 10296000.

The previous prime is 22464571. The next prime is 22464623. The reversal of 22464572 is 27546422.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22464571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6422 + ... + 9282.

It is an arithmetic number, because the mean of its divisors is an integer number (1776348).

Almost surely, 2^22464572 is an apocalyptic number.

It is an amenable number.

22464572 is a deficient number, since it is larger than the sum of its proper divisors (20167780).

22464572 is a wasteful number, since it uses less digits than its factorization.

22464572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3029 (or 3027 counting only the distinct ones).

The product of its digits is 26880, while the sum is 32.

The square root of 22464572 is about 4739.6805799547. The cubic root of 22464572 is about 282.1625573841.

The spelling of 22464572 in words is "twenty-two million, four hundred sixty-four thousand, five hundred seventy-two".