422553017 has 2 divisors, whose sum is σ = 422553018. Its totient is φ = 422553016.

The previous prime is 422553013. The next prime is 422553029. The reversal of 422553017 is 710355224.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 420291001 + 2262016 = 20501^2 + 1504^2 .

It is a cyclic number.

It is not a de Polignac number, because 422553017 - 2² = 422553013 is a prime.

It is not a weakly prime, because it can be changed into another prime (422553013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211276508 + 211276509.

It is an arithmetic number, because the mean of its divisors is an integer number (211276509).

Almost surely, 2^422553017 is an apocalyptic number.

It is an amenable number.

422553017 is a deficient number, since it is larger than the sum of its proper divisors (1).

422553017 is an equidigital number, since it uses as much as digits as its factorization.

422553017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 422553017 is about 20556.0944004448. The cubic root of 422553017 is about 750.4015727992.

The spelling of 422553017 in words is "four hundred twenty-two million, five hundred fifty-three thousand, seventeen".