22713644 has 6 divisors (see below), whose sum is σ = 39748884. Its totient is φ = 11356820.

The previous prime is 22713623. The next prime is 22713659. The reversal of 22713644 is 44631722.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2839202 + ... + 2839209.

It is an arithmetic number, because the mean of its divisors is an integer number (6624814).

Almost surely, 2^22713644 is an apocalyptic number.

It is an amenable number.

22713644 is a deficient number, since it is larger than the sum of its proper divisors (17035240).

22713644 is a wasteful number, since it uses less digits than its factorization.

22713644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5678415 (or 5678413 counting only the distinct ones).

The product of its digits is 8064, while the sum is 29.

The square root of 22713644 is about 4765.8833388995. The cubic root of 22713644 is about 283.2015362414.

The spelling of 22713644 in words is "twenty-two million, seven hundred thirteen thousand, six hundred forty-four".