22031113232 has 80 divisors (see below), whose sum is σ = 44446869504. Its totient is φ = 10567680000.

The previous prime is 22031113219. The next prime is 22031113271. The reversal of 22031113232 is 23231113022.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51116057 + ... + 51116487.

Almost surely, 2^22031113232 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 22031113232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22223434752).

22031113232 is an abundant number, since it is smaller than the sum of its proper divisors (22415756272).

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

22031113232 is a wasteful number, since it uses less digits than its factorization.

22031113232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128 (or 1122 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 22031113232 its reverse (23231113022), we get a palindrome (45262226254).

The spelling of 22031113232 in words is "twenty-two billion, thirty-one million, one hundred thirteen thousand, two hundred thirty-two".