422603317 has 2 divisors, whose sum is σ = 422603318. Its totient is φ = 422603316.

The previous prime is 422603309. The next prime is 422603393. The reversal of 422603317 is 713306224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 315915076 + 106688241 = 17774^2 + 10329^2 .

It is a cyclic number.

It is not a de Polignac number, because 422603317 - 2³ = 422603309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422603717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211301658 + 211301659.

It is an arithmetic number, because the mean of its divisors is an integer number (211301659).

Almost surely, 2^422603317 is an apocalyptic number.

It is an amenable number.

422603317 is a deficient number, since it is larger than the sum of its proper divisors (1).

422603317 is an equidigital number, since it uses as much as digits as its factorization.

422603317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 422603317 is about 20557.3178454778. The cubic root of 422603317 is about 750.4313471312.

The spelling of 422603317 in words is "four hundred twenty-two million, six hundred three thousand, three hundred seventeen".