222682217 has 2 divisors, whose sum is σ = 222682218. Its totient is φ = 222682216.

The previous prime is 222682177. The next prime is 222682219. The reversal of 222682217 is 712286222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 200817241 + 21864976 = 14171^2 + 4676^2 .

It is a cyclic number.

It is not a de Polignac number, because 222682217 - 2⁶ = 222682153 is a prime.

Together with 222682219, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (222682219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111341108 + 111341109.

It is an arithmetic number, because the mean of its divisors is an integer number (111341109).

Almost surely, 2^222682217 is an apocalyptic number.

It is an amenable number.

222682217 is a deficient number, since it is larger than the sum of its proper divisors (1).

222682217 is an equidigital number, since it uses as much as digits as its factorization.

222682217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10752, while the sum is 32.

The square root of 222682217 is about 14922.5405678792. The cubic root of 222682217 is about 606.1245092297.

The spelling of 222682217 in words is "two hundred twenty-two million, six hundred eighty-two thousand, two hundred seventeen".