422090811 has 32 divisors (see below), whose sum is σ = 636848640. Its totient is φ = 276242400.

The previous prime is 422090791. The next prime is 422090813. The reversal of 422090811 is 118090224.

It is not a de Polignac number, because 422090811 - 2⁹ = 422090299 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (422090813) 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 31 ways as a sum of consecutive naturals, for example, 806796 + ... + 807318.

It is an arithmetic number, because the mean of its divisors is an integer number (19901520).

Almost surely, 2^422090811 is an apocalyptic number.

422090811 is a deficient number, since it is larger than the sum of its proper divisors (214757829).

422090811 is a wasteful number, since it uses less digits than its factorization.

422090811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024 (or 1018 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 422090811 is about 20544.8487704339. The cubic root of 422090811 is about 750.1278661991.

The spelling of 422090811 in words is "four hundred twenty-two million, ninety thousand, eight hundred eleven".