22856120 has 32 divisors (see below), whose sum is σ = 58773600. Its totient is φ = 7836288.

The previous prime is 22856117. The next prime is 22856129. The reversal of 22856120 is 2165822.

It is a self number, because there is not a number n which added to its sum of digits gives 22856120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22856129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40535 + ... + 41094.

It is an arithmetic number, because the mean of its divisors is an integer number (1836675).

Almost surely, 2^22856120 is an apocalyptic number.

22856120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22856120 is an abundant number, since it is smaller than the sum of its proper divisors (35917480).

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

22856120 is a wasteful number, since it uses less digits than its factorization.

22856120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81647 (or 81643 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 22856120 is about 4780.8074631803. The cubic root of 22856120 is about 283.7924490304.

The spelling of 22856120 in words is "twenty-two million, eight hundred fifty-six thousand, one hundred twenty".