22724706 has 16 divisors (see below), whose sum is σ = 45559584. Its totient is φ = 7556544.

The previous prime is 22724659. The next prime is 22724707. The reversal of 22724706 is 60742722.

It is not an unprimeable number, because it can be changed into a prime (22724707) 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, 1776 + ... + 6971.

It is an arithmetic number, because the mean of its divisors is an integer number (2847474).

Almost surely, 2^22724706 is an apocalyptic number.

22724706 is an abundant number, since it is smaller than the sum of its proper divisors (22834878).

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

22724706 is a wasteful number, since it uses less digits than its factorization.

22724706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9185.

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 22724706 is about 4767.0437379995. The cubic root of 22724706 is about 283.2475037218.

The spelling of 22724706 in words is "twenty-two million, seven hundred twenty-four thousand, seven hundred six".