22797136 has 20 divisors (see below), whose sum is σ = 46768212. Its totient is φ = 10727936.

The previous prime is 22797127. The next prime is 22797167. The reversal of 22797136 is 63179722.

It can be written as a sum of positive squares in 2 ways, for example, as 19713600 + 3083536 = 4440^2 + 1756^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22797095 and 22797104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41635 + ... + 42178.

Almost surely, 2^22797136 is an apocalyptic number.

It is an amenable number.

22797136 is an abundant number, since it is smaller than the sum of its proper divisors (23971076).

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

22797136 is a wasteful number, since it uses less digits than its factorization.

22797136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83838 (or 83832 counting only the distinct ones).

The product of its digits is 31752, while the sum is 37.

The square root of 22797136 is about 4774.6346457085. The cubic root of 22797136 is about 283.5481142683.

The spelling of 22797136 in words is "twenty-two million, seven hundred ninety-seven thousand, one hundred thirty-six".