22086190 has 16 divisors (see below), whose sum is σ = 45434592. Its totient is φ = 7572384.

The previous prime is 22086173. The next prime is 22086199. The reversal of 22086190 is 9168022.

It is a happy number.

It is a super-2 number, since 2×22086190² = 975599577432200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22086199) 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, 157689 + ... + 157828.

It is an arithmetic number, because the mean of its divisors is an integer number (2839662).

Almost surely, 2^22086190 is an apocalyptic number.

22086190 is an abundant number, since it is smaller than the sum of its proper divisors (23348402).

22086190 is a wasteful number, since it uses less digits than its factorization.

22086190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315531.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 22086190 is about 4699.5946633726. The cubic root of 22086190 is about 280.5693771070.

The spelling of 22086190 in words is "twenty-two million, eighty-six thousand, one hundred ninety".