22317349 has 2 divisors, whose sum is σ = 22317350. Its totient is φ = 22317348.

The previous prime is 22317331. The next prime is 22317371. The reversal of 22317349 is 94371322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17164449 + 5152900 = 4143^2 + 2270^2 .

It is a cyclic number.

It is not a de Polignac number, because 22317349 - 2²³ = 13928741 is a prime.

It is a super-3 number, since 3×22317349³ (a number of 23 digits) contains 333 as substring.

It is a zygodrome in base 3.

It is a self number, because there is not a number n which added to its sum of digits gives 22317349.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22317389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11158674 + 11158675.

It is an arithmetic number, because the mean of its divisors is an integer number (11158675).

Almost surely, 2^22317349 is an apocalyptic number.

It is an amenable number.

22317349 is a deficient number, since it is larger than the sum of its proper divisors (1).

22317349 is an equidigital number, since it uses as much as digits as its factorization.

22317349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 31.

The square root of 22317349 is about 4724.1241516285. The cubic root of 22317349 is about 281.5448158601.

The spelling of 22317349 in words is "twenty-two million, three hundred seventeen thousand, three hundred forty-nine".