22656602 has 4 divisors (see below), whose sum is σ = 33984906. Its totient is φ = 11328300.

The previous prime is 22656589. The next prime is 22656637. The reversal of 22656602 is 20665622.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 21242881 + 1413721 = 4609^2 + 1189^2 .

It is a super-2 number, since 2×22656602² = 1026643228372808, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5664149 + ... + 5664152.

Almost surely, 2^22656602 is an apocalyptic number.

22656602 is a deficient number, since it is larger than the sum of its proper divisors (11328304).

22656602 is a wasteful number, since it uses less digits than its factorization.

22656602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11328303.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 22656602 is about 4759.8951669128. The cubic root of 22656602 is about 282.9642644052.

The spelling of 22656602 in words is "twenty-two million, six hundred fifty-six thousand, six hundred two".