22666636 has 24 divisors (see below), whose sum is σ = 40783680. Its totient is φ = 11018832.

The previous prime is 22666621. The next prime is 22666663. The reversal of 22666636 is 63666622.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 22666595 and 22666604.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21735 + ... + 22753.

It is an arithmetic number, because the mean of its divisors is an integer number (1699320).

Almost surely, 2^22666636 is an apocalyptic number.

It is an amenable number.

22666636 is a deficient number, since it is larger than the sum of its proper divisors (18117044).

22666636 is a wasteful number, since it uses less digits than its factorization.

22666636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1173 (or 1171 counting only the distinct ones).

The product of its digits is 93312, while the sum is 37.

The square root of 22666636 is about 4760.9490650500. The cubic root of 22666636 is about 283.0060306622.

The spelling of 22666636 in words is "twenty-two million, six hundred sixty-six thousand, six hundred thirty-six".