22522324132 has 144 divisors (see below), whose sum is σ = 55263938688. Its totient is φ = 7899386880.

The previous prime is 22522324103. The next prime is 22522324141. The reversal of 22522324132 is 23142322522.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 22522324132.

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 47 ways as a sum of consecutive naturals, for example, 829638 + ... + 856354.

It is an arithmetic number, because the mean of its divisors is an integer number (383777352).

Almost surely, 2^22522324132 is an apocalyptic number.

22522324132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22522324132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27631969344).

22522324132 is an abundant number, since it is smaller than the sum of its proper divisors (32741614556).

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

22522324132 is a wasteful number, since it uses less digits than its factorization.

22522324132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26786 (or 26777 counting only the distinct ones).

The product of its digits is 11520, while the sum is 28.

Adding to 22522324132 its reverse (23142322522), we get a palindrome (45664646654).

The spelling of 22522324132 in words is "twenty-two billion, five hundred twenty-two million, three hundred twenty-four thousand, one hundred thirty-two".