22090886 has 4 divisors (see below), whose sum is σ = 33136332. Its totient is φ = 11045442.

The previous prime is 22090883. The next prime is 22090907. The reversal of 22090886 is 68809022.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22090883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5522720 + ... + 5522723.

It is an arithmetic number, because the mean of its divisors is an integer number (8284083).

Almost surely, 2^22090886 is an apocalyptic number.

22090886 is a deficient number, since it is larger than the sum of its proper divisors (11045446).

22090886 is a wasteful number, since it uses less digits than its factorization.

22090886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11045445.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 22090886 is about 4700.0942543741. The cubic root of 22090886 is about 280.5892607300.

The spelling of 22090886 in words is "twenty-two million, ninety thousand, eight hundred eighty-six".