22533633552 has 80 divisors (see below), whose sum is σ = 61671177792. Its totient is φ = 7065354240.

The previous prime is 22533633539. The next prime is 22533633571. The reversal of 22533633552 is 25533633522.

It is a self number, because there is not a number n which added to its sum of digits gives 22533633552.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1639027 + ... + 1652717.

Almost surely, 2^22533633552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22533633552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30835588896).

22533633552 is an abundant number, since it is smaller than the sum of its proper divisors (39137544240).

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

22533633552 is a wasteful number, since it uses less digits than its factorization.

22533633552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15736 (or 15730 counting only the distinct ones).

The product of its digits is 486000, while the sum is 39.

It can be divided in two parts, 22533 and 633552, that added together give a triangular number (656085 = T₁₁₄₅).

The spelling of 22533633552 in words is "twenty-two billion, five hundred thirty-three million, six hundred thirty-three thousand, five hundred fifty-two".