22258116 has 36 divisors (see below), whose sum is σ = 56686812. Its totient is φ = 7363584.

The previous prime is 22258097. The next prime is 22258123. The reversal of 22258116 is 61185222.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4161600 + 18096516 = 2040^2 + 4254^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 22258116.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2676 + ... + 7188.

Almost surely, 2^22258116 is an apocalyptic number.

It is an amenable number.

22258116 is an abundant number, since it is smaller than the sum of its proper divisors (34428696).

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

22258116 is a wasteful number, since it uses less digits than its factorization.

22258116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4660 (or 4655 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 22258116 is about 4717.8507818709. The cubic root of 22258116 is about 281.2955102650.

The spelling of 22258116 in words is "twenty-two million, two hundred fifty-eight thousand, one hundred sixteen".