22090914 has 32 divisors (see below), whose sum is σ = 49285440. Its totient is φ = 7334496.

The previous prime is 22090907. The next prime is 22090931. The reversal of 22090914 is 41909022.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16249 + ... + 17555.

It is an arithmetic number, because the mean of its divisors is an integer number (1540170).

Almost surely, 2^22090914 is an apocalyptic number.

22090914 is an abundant number, since it is smaller than the sum of its proper divisors (27194526).

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

22090914 is a wasteful number, since it uses less digits than its factorization.

22090914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1631 (or 1625 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 22090914 is about 4700.0972330368. The cubic root of 22090914 is about 280.5893792781.

Adding to 22090914 its reverse (41909022), we get a palindrome (63999936).

It can be divided in two parts, 2 and 2090914, that added together give a square (2090916 = 1446²).

The spelling of 22090914 in words is "twenty-two million, ninety thousand, nine hundred fourteen".