22112323232 has 48 divisors (see below), whose sum is σ = 46176094440. Its totient is φ = 10387365888.

The previous prime is 22112323229. The next prime is 22112323241. The reversal of 22112323232 is 23232321122.

It can be written as a sum of positive squares in 4 ways, for example, as 20358723856 + 1753599376 = 142684^2 + 41876^2 .

22112323232 is a modest number, since divided by 323232 gives 22112 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 22112323198 and 22112323207.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273818 + ... + 345254.

Almost surely, 2^22112323232 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 22112323232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23088047220).

22112323232 is an abundant number, since it is smaller than the sum of its proper divisors (24063771208).

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

22112323232 is a wasteful number, since it uses less digits than its factorization.

22112323232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72033 (or 72025 counting only the distinct ones).

The product of its digits is 1728, while the sum is 23.

Adding to 22112323232 its reverse (23232321122), we get a palindrome (45344644354).

The spelling of 22112323232 in words is "twenty-two billion, one hundred twelve million, three hundred twenty-three thousand, two hundred thirty-two".