22836690 has 24 divisors (see below), whose sum is σ = 59375628. Its totient is φ = 6089760.

The previous prime is 22836679. The next prime is 22836691. The reversal of 22836690 is 9663822.

It can be written as a sum of positive squares in 2 ways, for example, as 21874329 + 962361 = 4677^2 + 981^2 .

It is a super-2 number, since 2×22836690² = 1043028820312200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22836691) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 126781 + ... + 126960.

Almost surely, 2^22836690 is an apocalyptic number.

22836690 is an abundant number, since it is smaller than the sum of its proper divisors (36538938).

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

22836690 is a wasteful number, since it uses less digits than its factorization.

22836690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253754 (or 253751 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 22836690 is about 4778.7749476199. The cubic root of 22836690 is about 283.7120088605.

The spelling of 22836690 in words is "twenty-two million, eight hundred thirty-six thousand, six hundred ninety".