22661008 has 20 divisors (see below), whose sum is σ = 44563120. Its totient is φ = 11160864.

The previous prime is 22660997. The next prime is 22661027. The reversal of 22661008 is 80016622.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9498 + ... + 11641.

It is an arithmetic number, because the mean of its divisors is an integer number (2228156).

Almost surely, 2^22661008 is an apocalyptic number.

It is an amenable number.

22661008 is a deficient number, since it is larger than the sum of its proper divisors (21902112).

22661008 is a wasteful number, since it uses less digits than its factorization.

22661008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21214 (or 21208 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 22661008 is about 4760.3579697329. The cubic root of 22661008 is about 282.9826057808.

The spelling of 22661008 in words is "twenty-two million, six hundred sixty-one thousand, eight".