13222297 has 4 divisors (see below), whose sum is σ = 14424336. Its totient is φ = 12020260.

The previous prime is 13222273. The next prime is 13222301. The reversal of 13222297 is 79222231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79222231 = 11 ⋅7202021.

It is a cyclic number.

It is not a de Polignac number, because 13222297 - 2⁷ = 13222169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13222207) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 601003 + ... + 601024.

It is an arithmetic number, because the mean of its divisors is an integer number (3606084).

Almost surely, 2^13222297 is an apocalyptic number.

It is an amenable number.

13222297 is a deficient number, since it is larger than the sum of its proper divisors (1202039).

13222297 is a wasteful number, since it uses less digits than its factorization.

13222297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202038.

The product of its digits is 3024, while the sum is 28.

The square root of 13222297 is about 3636.2476538322. The cubic root of 13222297 is about 236.4661439318.

The spelling of 13222297 in words is "thirteen million, two hundred twenty-two thousand, two hundred ninety-seven".