422428891073 has 8 divisors (see below), whose sum is σ = 492628444800. Its totient is φ = 362081906340.

The previous prime is 422428891039. The next prime is 422428891091. The reversal of 422428891073 is 370198824224.

It is not a de Polignac number, because 422428891073 - 2⁶ = 422428891009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422428897073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 615785213 + ... + 615785898.

It is an arithmetic number, because the mean of its divisors is an integer number (61578555600).

Almost surely, 2^422428891073 is an apocalyptic number.

It is an amenable number.

422428891073 is a deficient number, since it is larger than the sum of its proper divisors (70199553727).

422428891073 is an equidigital number, since it uses as much as digits as its factorization.

422428891073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1231571132 (or 1231571118 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 50.

The spelling of 422428891073 in words is "four hundred twenty-two billion, four hundred twenty-eight million, eight hundred ninety-one thousand, seventy-three".