422911013 has 6 divisors (see below), whose sum is σ = 491957766. Its totient is φ = 362495112.

The previous prime is 422910931. The next prime is 422911033. The reversal of 422911013 is 310119224.

It can be written as a sum of positive squares in only one way, i.e., 418079809 + 4831204 = 20447^2 + 2198^2 .

It is not a de Polignac number, because 422911013 - 2¹² = 422906917 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 422911013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422911033) 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 in 5 ways as a sum of consecutive naturals, for example, 4315370 + ... + 4315467.

It is an arithmetic number, because the mean of its divisors is an integer number (81992961).

Almost surely, 2^422911013 is an apocalyptic number.

It is an amenable number.

422911013 is a deficient number, since it is larger than the sum of its proper divisors (69046753).

422911013 is an equidigital number, since it uses as much as digits as its factorization.

422911013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8630851 (or 8630844 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 422911013 is about 20564.8003394149. The cubic root of 422911013 is about 750.6134317615.

The spelling of 422911013 in words is "four hundred twenty-two million, nine hundred eleven thousand, thirteen".