422818984 has 32 divisors (see below), whose sum is σ = 907531200. Its totient is φ = 180910080.

The previous prime is 422818967. The next prime is 422818997. The reversal of 422818984 is 489818224.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30007 + ... + 41785.

It is an arithmetic number, because the mean of its divisors is an integer number (28360350).

Almost surely, 2^422818984 is an apocalyptic number.

It is an amenable number.

422818984 is an abundant number, since it is smaller than the sum of its proper divisors (484712216).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

422818984 is a wasteful number, since it uses less digits than its factorization.

422818984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12433 (or 12429 counting only the distinct ones).

The product of its digits is 294912, while the sum is 46.

The square root of 422818984 is about 20562.5626807555. The cubic root of 422818984 is about 750.5589812091.

The spelling of 422818984 in words is "four hundred twenty-two million, eight hundred eighteen thousand, nine hundred eighty-four".