13222310320 has 40 divisors (see below), whose sum is σ = 32550220224. Its totient is φ = 4977810432.

The previous prime is 13222310317. The next prime is 13222310363. The reversal of 13222310320 is 2301322231.

It is a tau number, because it is divible by the number of its divisors (40).

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, 4859784 + ... + 4862503.

Almost surely, 2^13222310320 is an apocalyptic number.

13222310320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13222310320 is an abundant number, since it is smaller than the sum of its proper divisors (19327909904).

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

13222310320 is a wasteful number, since it uses less digits than its factorization.

13222310320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9722317 (or 9722311 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 13222310320 its reverse (2301322231), we get a palindrome (15523632551).

The spelling of 13222310320 in words is "thirteen billion, two hundred twenty-two million, three hundred ten thousand, three hundred twenty".