22656120 has 32 divisors (see below), whose sum is σ = 67968720. Its totient is φ = 6041600.

The previous prime is 22656119. The next prime is 22656143. The reversal of 22656120 is 2165622.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94281 + ... + 94520.

Almost surely, 2^22656120 is an apocalyptic number.

22656120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22656120 is an abundant number, since it is smaller than the sum of its proper divisors (45312600).

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

22656120 is a wasteful number, since it uses less digits than its factorization.

22656120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188815 (or 188811 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 22656120 is about 4759.8445352763. The cubic root of 22656120 is about 282.9622577827.

It can be divided in two parts, 2265 and 6120, that added together give a triangular number (8385 = T₁₂₉).

The spelling of 22656120 in words is "twenty-two million, six hundred fifty-six thousand, one hundred twenty".