13222310232 has 64 divisors (see below), whose sum is σ = 34279015680. Its totient is φ = 4246653312.

The previous prime is 13222310221. The next prime is 13222310239. The reversal of 13222310232 is 23201322231.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13222310199 and 13222310208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13222310239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19183 + ... + 163745.

It is an arithmetic number, because the mean of its divisors is an integer number (535609620).

Almost surely, 2^13222310232 is an apocalyptic number.

13222310232 is a gapful number since it is divisible by the number (12) 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 13222310232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17139507840).

13222310232 is an abundant number, since it is smaller than the sum of its proper divisors (21056705448).

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

13222310232 is a wasteful number, since it uses less digits than its factorization.

13222310232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144712 (or 144708 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 13222310232 its reverse (23201322231), we get a palindrome (36423632463).

The spelling of 13222310232 in words is "thirteen billion, two hundred twenty-two million, three hundred ten thousand, two hundred thirty-two".