22752636 has 36 divisors (see below), whose sum is σ = 54885096. Its totient is φ = 7335840.

The previous prime is 22752619. The next prime is 22752641. The reversal of 22752636 is 63625722.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22752597 and 22752606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10546 + ... + 12518.

It is an arithmetic number, because the mean of its divisors is an integer number (1524586).

Almost surely, 2^22752636 is an apocalyptic number.

It is an amenable number.

22752636 is an abundant number, since it is smaller than the sum of its proper divisors (32132460).

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

22752636 is a wasteful number, since it uses less digits than its factorization.

22752636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2042 (or 2009 counting only the distinct ones).

The product of its digits is 30240, while the sum is 33.

The square root of 22752636 is about 4769.9723269638. The cubic root of 22752636 is about 283.3634988260.

The spelling of 22752636 in words is "twenty-two million, seven hundred fifty-two thousand, six hundred thirty-six".