22285836 has 36 divisors (see below), whose sum is σ = 56706832. Its totient is φ = 7379424.

The previous prime is 22285819. The next prime is 22285859. The reversal of 22285836 is 63858222.

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

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 22285836.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3681 + ... + 7623.

Almost surely, 2^22285836 is an apocalyptic number.

It is an amenable number.

22285836 is an abundant number, since it is smaller than the sum of its proper divisors (34420996).

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

22285836 is a wasteful number, since it uses less digits than its factorization.

22285836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4110 (or 4105 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 22285836 is about 4720.7876461455. The cubic root of 22285836 is about 281.4122358796.

The spelling of 22285836 in words is "twenty-two million, two hundred eighty-five thousand, eight hundred thirty-six".