22086860 has 12 divisors (see below), whose sum is σ = 46382448. Its totient is φ = 8834736.

The previous prime is 22086839. The next prime is 22086871. The reversal of 22086860 is 6868022.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 552152 + ... + 552191.

It is an arithmetic number, because the mean of its divisors is an integer number (3865204).

Almost surely, 2^22086860 is an apocalyptic number.

22086860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22086860 is an abundant number, since it is smaller than the sum of its proper divisors (24295588).

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

22086860 is a wasteful number, since it uses less digits than its factorization.

22086860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104352 (or 1104350 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 22086860 is about 4699.6659455753. The cubic root of 22086860 is about 280.5722141677.

The spelling of 22086860 in words is "twenty-two million, eighty-six thousand, eight hundred sixty".