13222117 has 4 divisors (see below), whose sum is σ = 13408416. Its totient is φ = 13035820.

The previous prime is 13222109. The next prime is 13222123. The reversal of 13222117 is 71122231.

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: 71122231 = 521 ⋅136511.

It is a cyclic number.

It is not a de Polignac number, because 13222117 - 2³ = 13222109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13222094 and 13222103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13222127) 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, 93043 + ... + 93184.

It is an arithmetic number, because the mean of its divisors is an integer number (3352104).

Almost surely, 2^13222117 is an apocalyptic number.

It is an amenable number.

13222117 is a deficient number, since it is larger than the sum of its proper divisors (186299).

13222117 is an equidigital number, since it uses as much as digits as its factorization.

13222117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186298.

The product of its digits is 168, while the sum is 19.

The square root of 13222117 is about 3636.2229029585. Note that the first 3 decimals coincide. The cubic root of 13222117 is about 236.4650708933.

Adding to 13222117 its reverse (71122231), we get a palindrome (84344348).

The spelling of 13222117 in words is "thirteen million, two hundred twenty-two thousand, one hundred seventeen".