222320317 has 2 divisors, whose sum is σ = 222320318. Its totient is φ = 222320316.

The previous prime is 222320303. The next prime is 222320347. The reversal of 222320317 is 713023222.

222320317 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 180472356 + 41847961 = 13434^2 + 6469^2 .

It is a cyclic number.

It is not a de Polignac number, because 222320317 - 2¹¹ = 222318269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222320347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111160158 + 111160159.

It is an arithmetic number, because the mean of its divisors is an integer number (111160159).

Almost surely, 2^222320317 is an apocalyptic number.

It is an amenable number.

222320317 is a deficient number, since it is larger than the sum of its proper divisors (1).

222320317 is an equidigital number, since it uses as much as digits as its factorization.

222320317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 222320317 is about 14910.4096858537. The cubic root of 222320317 is about 605.7959761869.

Adding to 222320317 its reverse (713023222), we get a palindrome (935343539).

The spelling of 222320317 in words is "two hundred twenty-two million, three hundred twenty thousand, three hundred seventeen".