13222372 has 24 divisors (see below), whose sum is σ = 23738400. Its totient is φ = 6442176.

The previous prime is 13222343. The next prime is 13222411. The reversal of 13222372 is 27322231.

It is a super-2 number, since 2×13222372² = 349662242612768, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42088 + ... + 42400.

It is an arithmetic number, because the mean of its divisors is an integer number (989100).

Almost surely, 2^13222372 is an apocalyptic number.

It is an amenable number.

13222372 is a deficient number, since it is larger than the sum of its proper divisors (10516028).

13222372 is a wasteful number, since it uses less digits than its factorization.

13222372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555 (or 553 counting only the distinct ones).

The product of its digits is 1008, while the sum is 22.

The square root of 13222372 is about 3636.2579666465. The cubic root of 13222372 is about 236.4665910283.

The spelling of 13222372 in words is "thirteen million, two hundred twenty-two thousand, three hundred seventy-two".