22533612544 has 33 divisors (see below), whose sum is σ = 45054824131. Its totient is φ = 11264404480.

The previous prime is 22533612529. The next prime is 22533612581. The reversal of 22533612544 is 44521633522.

The square root of 22533612544 is 150112.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×22533612544² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 4801239 + ... + 4805929.

Almost surely, 2^22533612544 is an apocalyptic number.

22533612544 is the 150112-nd square number.

It is an amenable number.

22533612544 is a deficient number, since it is larger than the sum of its proper divisors (22521211587).

22533612544 is an frugal number, since it uses more digits than its factorization.

22533612544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9402 (or 4693 counting only the distinct ones).

The product of its digits is 172800, while the sum is 37.

The spelling of 22533612544 in words is "twenty-two billion, five hundred thirty-three million, six hundred twelve thousand, five hundred forty-four".