13222504 has 16 divisors (see below), whose sum is σ = 24881220. Its totient is φ = 6587520.

The previous prime is 13222501. The next prime is 13222507. The reversal of 13222504 is 40522231.

It is an interprime number because it is at equal distance from previous prime (13222501) and next prime (13222507).

It can be written as a sum of positive squares in 2 ways, for example, as 8820900 + 4401604 = 2970^2 + 2098^2 .

It is a super-2 number, since 2×13222504² = 349669224060032, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13222501) 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, 477 + ... + 5164.

Almost surely, 2^13222504 is an apocalyptic number.

It is an amenable number.

13222504 is a deficient number, since it is larger than the sum of its proper divisors (11658716).

13222504 is a wasteful number, since it uses less digits than its factorization.

13222504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5940 (or 5936 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 13222504 is about 3636.2761171286. The cubic root of 13222504 is about 236.4673779140.

Adding to 13222504 its reverse (40522231), we get a palindrome (53744735).

The spelling of 13222504 in words is "thirteen million, two hundred twenty-two thousand, five hundred four".