22561752 has 16 divisors (see below), whose sum is σ = 56404440. Its totient is φ = 7520576.

The previous prime is 22561751. The next prime is 22561783. The reversal of 22561752 is 25716522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22561751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 470013 + ... + 470060.

Almost surely, 2^22561752 is an apocalyptic number.

It is an amenable number.

22561752 is an abundant number, since it is smaller than the sum of its proper divisors (33842688).

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

22561752 is a wasteful number, since it uses less digits than its factorization.

22561752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 940082 (or 940078 counting only the distinct ones).

The product of its digits is 8400, while the sum is 30.

The square root of 22561752 is about 4749.9212625053. The cubic root of 22561752 is about 282.5688432215.

The spelling of 22561752 in words is "twenty-two million, five hundred sixty-one thousand, seven hundred fifty-two".