422588317 has 2 divisors, whose sum is σ = 422588318. Its totient is φ = 422588316.

The previous prime is 422588293. The next prime is 422588321. The reversal of 422588317 is 713885224.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 346183236 + 76405081 = 18606^2 + 8741^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422588317 is a prime.

It is equal to p_22474885 and since 422588317 and 22474885 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 422588317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422588417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211294158 + 211294159.

It is an arithmetic number, because the mean of its divisors is an integer number (211294159).

Almost surely, 2^422588317 is an apocalyptic number.

It is an amenable number.

422588317 is a deficient number, since it is larger than the sum of its proper divisors (1).

422588317 is an equidigital number, since it uses as much as digits as its factorization.

422588317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 107520, while the sum is 40.

The square root of 422588317 is about 20556.9530086538. The cubic root of 422588317 is about 750.4224683530.

The spelling of 422588317 in words is "four hundred twenty-two million, five hundred eighty-eight thousand, three hundred seventeen".