422638876 has 12 divisors (see below), whose sum is σ = 806856120. Its totient is φ = 192108560.

The previous prime is 422638849. The next prime is 422638877. The reversal of 422638876 is 678836224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422638877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4802671 + ... + 4802758.

It is an arithmetic number, because the mean of its divisors is an integer number (67238010).

Almost surely, 2^422638876 is an apocalyptic number.

It is an amenable number.

422638876 is a deficient number, since it is larger than the sum of its proper divisors (384217244).

422638876 is a wasteful number, since it uses less digits than its factorization.

422638876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9605444 (or 9605442 counting only the distinct ones).

The product of its digits is 774144, while the sum is 46.

The square root of 422638876 is about 20558.1827017857. The cubic root of 422638876 is about 750.4523943236.

The spelling of 422638876 in words is "four hundred twenty-two million, six hundred thirty-eight thousand, eight hundred seventy-six".