422531017 has 2 divisors, whose sum is σ = 422531018. Its totient is φ = 422531016.

The previous prime is 422531003. The next prime is 422531033. The reversal of 422531017 is 710135224.

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., 293231376 + 129299641 = 17124^2 + 11371^2 .

It is a cyclic number.

It is not a de Polignac number, because 422531017 - 2¹⁹ = 422006729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 422530982 and 422531000.

It is not a weakly prime, because it can be changed into another prime (422531047) 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, 211265508 + 211265509.

It is an arithmetic number, because the mean of its divisors is an integer number (211265509).

Almost surely, 2^422531017 is an apocalyptic number.

It is an amenable number.

422531017 is a deficient number, since it is larger than the sum of its proper divisors (1).

422531017 is an equidigital number, since it uses as much as digits as its factorization.

422531017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 422531017 is about 20555.5592723720. The cubic root of 422531017 is about 750.3885494858.

The spelling of 422531017 in words is "four hundred twenty-two million, five hundred thirty-one thousand, seventeen".