22809992 has 8 divisors (see below), whose sum is σ = 42768750. Its totient is φ = 11404992.

The previous prime is 22809973. The next prime is 22810009. The reversal of 22809992 is 29990822.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 18541636 + 4268356 = 4306^2 + 2066^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1425617 + ... + 1425632.

Almost surely, 2^22809992 is an apocalyptic number.

It is an amenable number.

22809992 is a deficient number, since it is larger than the sum of its proper divisors (19958758).

22809992 is a wasteful number, since it uses less digits than its factorization.

22809992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2851255 (or 2851251 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 22809992 is about 4775.9807369796. The cubic root of 22809992 is about 283.6014047275.

The spelling of 22809992 in words is "twenty-two million, eight hundred nine thousand, nine hundred ninety-two".