22102323232 has 96 divisors (see below), whose sum is σ = 48429239040. Its totient is φ = 9844558080.

The previous prime is 22102323209. The next prime is 22102323277. The reversal of 22102323232 is 23232320122.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7204963 + ... + 7208029.

It is an arithmetic number, because the mean of its divisors is an integer number (504471240).

Almost surely, 2^22102323232 is an apocalyptic number.

22102323232 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 22102323232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24214619520).

22102323232 is an abundant number, since it is smaller than the sum of its proper divisors (26326915808).

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

22102323232 is a wasteful number, since it uses less digits than its factorization.

22102323232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3494 (or 3486 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 22102323232 its reverse (23232320122), we get a palindrome (45334643354).

The spelling of 22102323232 in words is "twenty-two billion, one hundred two million, three hundred twenty-three thousand, two hundred thirty-two".