13222315 has 16 divisors (see below), whose sum is σ = 16240896. Its totient is φ = 10332000.

The previous prime is 13222303. The next prime is 13222327. The reversal of 13222315 is 51322231.

13222315 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13222303) and next prime (13222327).

It is a de Polignac number, because none of the positive numbers 2^k-13222315 is a prime.

It is a super-2 number, since 2×13222315² = 349659227918450, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13222292 and 13222301.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62560 + ... + 62770.

It is an arithmetic number, because the mean of its divisors is an integer number (1015056).

Almost surely, 2^13222315 is an apocalyptic number.

13222315 is a deficient number, since it is larger than the sum of its proper divisors (3018581).

13222315 is a wasteful number, since it uses less digits than its factorization.

13222315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450.

The product of its digits is 360, while the sum is 19.

The square root of 13222315 is about 3636.2501289103. The cubic root of 13222315 is about 236.4662512351.

Adding to 13222315 its reverse (51322231), we get a palindrome (64544546).

The spelling of 13222315 in words is "thirteen million, two hundred twenty-two thousand, three hundred fifteen".