22510325532 has 96 divisors (see below), whose sum is σ = 56535494400. Its totient is φ = 6945979392.

The previous prime is 22510325531. The next prime is 22510325557. The reversal of 22510325532 is 23552301522.

It is a super-2 number, since 2×22510325532² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22510325532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22510325531) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 3087163 + ... + 3094445.

It is an arithmetic number, because the mean of its divisors is an integer number (588911400).

Almost surely, 2^22510325532 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 22510325532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28267747200).

22510325532 is an abundant number, since it is smaller than the sum of its proper divisors (34025168868).

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

22510325532 is a wasteful number, since it uses less digits than its factorization.

22510325532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7555 (or 7553 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The spelling of 22510325532 in words is "twenty-two billion, five hundred ten million, three hundred twenty-five thousand, five hundred thirty-two".