22052565232 has 80 divisors (see below), whose sum is σ = 48445470720. Its totient is φ = 9669369600.

The previous prime is 22052565217. The next prime is 22052565233. The reversal of 22052565232 is 23256525022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22052565233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165882 + ... + 267622.

It is an arithmetic number, because the mean of its divisors is an integer number (605568384).

Almost surely, 2^22052565232 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 22052565232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24222735360).

22052565232 is an abundant number, since it is smaller than the sum of its proper divisors (26392905488).

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

22052565232 is a wasteful number, since it uses less digits than its factorization.

22052565232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101822 (or 101816 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 34.

The spelling of 22052565232 in words is "twenty-two billion, fifty-two million, five hundred sixty-five thousand, two hundred thirty-two".