22086870 has 32 divisors (see below), whose sum is σ = 57087072. Its totient is φ = 5436672.

The previous prime is 22086839. The next prime is 22086871. The reversal of 22086870 is 7868022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22086871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27927 + ... + 28706.

It is an arithmetic number, because the mean of its divisors is an integer number (1783971).

Almost surely, 2^22086870 is an apocalyptic number.

22086870 is an abundant number, since it is smaller than the sum of its proper divisors (35000202).

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

22086870 is a wasteful number, since it uses less digits than its factorization.

22086870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56656.

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 22086870 is about 4699.6670094806. The cubic root of 22086870 is about 280.5722565114.

The spelling of 22086870 in words is "twenty-two million, eighty-six thousand, eight hundred seventy".