22982868 has 36 divisors (see below), whose sum is σ = 58638580. Its totient is φ = 7589376.

The previous prime is 22982863. The next prime is 22982891. The reversal of 22982868 is 86828922.

It can be written as a sum of positive squares in 2 ways, for example, as 19342404 + 3640464 = 4398^2 + 1908^2 .

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

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22982863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 996 + ... + 6852.

Almost surely, 2^22982868 is an apocalyptic number.

It is an amenable number.

22982868 is an abundant number, since it is smaller than the sum of its proper divisors (35655712).

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

22982868 is a wasteful number, since it uses less digits than its factorization.

22982868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5976 (or 5971 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The square root of 22982868 is about 4794.0450561087. The cubic root of 22982868 is about 284.3160701140.

The spelling of 22982868 in words is "twenty-two million, nine hundred eighty-two thousand, eight hundred sixty-eight".