22248936 has 24 divisors (see below), whose sum is σ = 60257730. Its totient is φ = 7416288.

The previous prime is 22248929. The next prime is 22248949. The reversal of 22248936 is 63984222.

It can be written as a sum of positive squares in only one way, i.e., 19980900 + 2268036 = 4470^2 + 1506^2 .

It is a tau number, because it is divible by the number of its divisors (24).

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

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 22248936.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 154435 + ... + 154578.

Almost surely, 2^22248936 is an apocalyptic number.

It is an amenable number.

22248936 is an abundant number, since it is smaller than the sum of its proper divisors (38008794).

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

22248936 is a wasteful number, since it uses less digits than its factorization.

22248936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309025 (or 309018 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 22248936 is about 4716.8777809055. The cubic root of 22248936 is about 281.2568330192.

The spelling of 22248936 in words is "twenty-two million, two hundred forty-eight thousand, nine hundred thirty-six".