422301917 has 2 divisors, whose sum is σ = 422301918. Its totient is φ = 422301916.

The previous prime is 422301911. The next prime is 422301931. The reversal of 422301917 is 719103224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 416608921 + 5692996 = 20411^2 + 2386^2 .

It is a cyclic number.

It is not a de Polignac number, because 422301917 - 2⁸ = 422301661 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 422301917.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422301911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211150958 + 211150959.

It is an arithmetic number, because the mean of its divisors is an integer number (211150959).

Almost surely, 2^422301917 is an apocalyptic number.

It is an amenable number.

422301917 is a deficient number, since it is larger than the sum of its proper divisors (1).

422301917 is an equidigital number, since it uses as much as digits as its factorization.

422301917 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 422301917 is about 20549.9858150803. The cubic root of 422301917 is about 750.2529025627.

The spelling of 422301917 in words is "four hundred twenty-two million, three hundred one thousand, nine hundred seventeen".