22369636 has 12 divisors (see below), whose sum is σ = 39319420. Its totient is φ = 11135520.

The previous prime is 22369601. The next prime is 22369661. The reversal of 22369636 is 63696322.

It can be written as a sum of positive squares in 2 ways, for example, as 8352100 + 14017536 = 2890^2 + 3744^2 .

It is a super-2 number, since 2×22369636² = 1000801229544992, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22369595 and 22369604.

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, 11295 + ... + 13126.

Almost surely, 2^22369636 is an apocalyptic number.

It is an amenable number.

22369636 is a deficient number, since it is larger than the sum of its proper divisors (16949784).

22369636 is a wasteful number, since it uses less digits than its factorization.

22369636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24654 (or 24652 counting only the distinct ones).

The product of its digits is 69984, while the sum is 37.

The square root of 22369636 is about 4729.6549557024. The cubic root of 22369636 is about 281.7645201521.

It can be divided in two parts, 22369 and 636, that added together give a triangular number (23005 = T₂₁₄).

The spelling of 22369636 in words is "twenty-two million, three hundred sixty-nine thousand, six hundred thirty-six".