22809968 has 20 divisors (see below), whose sum is σ = 44626608. Its totient is φ = 11293440.

The previous prime is 22809961. The next prime is 22809973. The reversal of 22809968 is 86990822.

It is a super-2 number, since 2×22809968² = 1040589280322048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22809961) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5273 + ... + 8568.

Almost surely, 2^22809968 is an apocalyptic number.

It is an amenable number.

22809968 is a deficient number, since it is larger than the sum of its proper divisors (21816640).

22809968 is a wasteful number, since it uses less digits than its factorization.

22809968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13952 (or 13946 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 22809968 is about 4775.9782244060. The cubic root of 22809968 is about 283.6013052618.

The spelling of 22809968 in words is "twenty-two million, eight hundred nine thousand, nine hundred sixty-eight".