13222169 has 2 divisors, whose sum is σ = 13222170. Its totient is φ = 13222168.

The previous prime is 13222163. The next prime is 13222189. The reversal of 13222169 is 96122231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12816400 + 405769 = 3580^2 + 637^2 .

It is a cyclic number.

It is not a de Polignac number, because 13222169 - 2²⁰ = 12173593 is a prime.

It is a super-2 number, since 2×13222169² = 349651506129122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13222163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6611084 + 6611085.

It is an arithmetic number, because the mean of its divisors is an integer number (6611085).

Almost surely, 2^13222169 is an apocalyptic number.

It is an amenable number.

13222169 is a deficient number, since it is larger than the sum of its proper divisors (1).

13222169 is an equidigital number, since it uses as much as digits as its factorization.

13222169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 26.

The square root of 13222169 is about 3636.2300532282. The cubic root of 13222169 is about 236.4653808832.

The spelling of 13222169 in words is "thirteen million, two hundred twenty-two thousand, one hundred sixty-nine".