13222697472 has 80 divisors (see below), whose sum is σ = 39140143680. Its totient is φ = 4407561216.

The previous prime is 13222697441. The next prime is 13222697479. The reversal of 13222697472 is 27479622231.

It is not an unprimeable number, because it can be changed into a prime (13222697479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 464428 + ... + 492075.

It is an arithmetic number, because the mean of its divisors is an integer number (489251796).

Almost surely, 2^13222697472 is an apocalyptic number.

13222697472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13222697472 is an abundant number, since it is smaller than the sum of its proper divisors (25917446208).

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

13222697472 is an frugal number, since it uses more digits than its factorization.

13222697472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956530 (or 956508 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The spelling of 13222697472 in words is "thirteen billion, two hundred twenty-two million, six hundred ninety-seven thousand, four hundred seventy-two".