22605936 has 20 divisors (see below), whose sum is σ = 58398792. Its totient is φ = 7535296.

The previous prime is 22605923. The next prime is 22605943. The reversal of 22605936 is 63950622.

It is a super-2 number, since 2×22605936² = 1022056684872192, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22605897 and 22605906.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235431 + ... + 235526.

Almost surely, 2^22605936 is an apocalyptic number.

It is an amenable number.

22605936 is an abundant number, since it is smaller than the sum of its proper divisors (35792856).

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

22605936 is a wasteful number, since it uses less digits than its factorization.

22605936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470968 (or 470962 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 22605936 is about 4754.5700121041. The cubic root of 22605936 is about 282.7531799783.

The spelling of 22605936 in words is "twenty-two million, six hundred five thousand, nine hundred thirty-six".