22590118 has 4 divisors (see below), whose sum is σ = 33885180. Its totient is φ = 11295058.

The previous prime is 22590089. The next prime is 22590131. The reversal of 22590118 is 81109522.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5647528 + ... + 5647531.

It is an arithmetic number, because the mean of its divisors is an integer number (8471295).

Almost surely, 2^22590118 is an apocalyptic number.

22590118 is a deficient number, since it is larger than the sum of its proper divisors (11295062).

22590118 is a wasteful number, since it uses less digits than its factorization.

22590118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11295061.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 22590118 is about 4752.9062688002. The cubic root of 22590118 is about 282.6872145109.

The spelling of 22590118 in words is "twenty-two million, five hundred ninety thousand, one hundred eighteen".