22655120 has 40 divisors (see below), whose sum is σ = 52871616. Its totient is φ = 9027968.

The previous prime is 22655117. The next prime is 22655147. The reversal of 22655120 is 2155622.

It is a tau number, because it is divible by the number of its divisors (40).

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, 39959 + ... + 40521.

Almost surely, 2^22655120 is an apocalyptic number.

22655120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22655120 is an abundant number, since it is smaller than the sum of its proper divisors (30216496).

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

22655120 is a wasteful number, since it uses less digits than its factorization.

22655120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079 (or 1073 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 22655120 is about 4759.7394886695. The cubic root of 22655120 is about 282.9580945747.

The spelling of 22655120 in words is "twenty-two million, six hundred fifty-five thousand, one hundred twenty".