13222472 has 16 divisors (see below), whose sum is σ = 25142400. Its totient is φ = 6517840.

The previous prime is 13222471. The next prime is 13222483. The reversal of 13222472 is 27422231.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13222471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11072 + ... + 12207.

It is an arithmetic number, because the mean of its divisors is an integer number (1571400).

Almost surely, 2^13222472 is an apocalyptic number.

It is an amenable number.

13222472 is a deficient number, since it is larger than the sum of its proper divisors (11919928).

13222472 is a wasteful number, since it uses less digits than its factorization.

13222472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23356 (or 23352 counting only the distinct ones).

The product of its digits is 1344, while the sum is 23.

The square root of 13222472 is about 3636.2717170201. The cubic root of 13222472 is about 236.4671871543.

The spelling of 13222472 in words is "thirteen million, two hundred twenty-two thousand, four hundred seventy-two".