22285880 has 32 divisors (see below), whose sum is σ = 50423040. Its totient is φ = 8864640.

The previous prime is 22285871. The next prime is 22285883. The reversal of 22285880 is 8858222.

It is a self number, because there is not a number n which added to its sum of digits gives 22285880.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22285883) 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, 6182 + ... + 9098.

It is an arithmetic number, because the mean of its divisors is an integer number (1575720).

Almost surely, 2^22285880 is an apocalyptic number.

22285880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22285880 is an abundant number, since it is smaller than the sum of its proper divisors (28137160).

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

22285880 is a wasteful number, since it uses less digits than its factorization.

22285880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3119 (or 3115 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 35.

The square root of 22285880 is about 4720.7923063825. The cubic root of 22285880 is about 281.4124210813.

The spelling of 22285880 in words is "twenty-two million, two hundred eighty-five thousand, eight hundred eighty".