422802990 has 48 divisors (see below), whose sum is σ = 1140008688. Its totient is φ = 112746816.

The previous prime is 422802983. The next prime is 422803001. The reversal of 422802990 is 99208224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84567 + ... + 89426.

It is an arithmetic number, because the mean of its divisors is an integer number (23750181).

Almost surely, 2^422802990 is an apocalyptic number.

422802990 is an abundant number, since it is smaller than the sum of its proper divisors (717205698).

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

422802990 is a wasteful number, since it uses less digits than its factorization.

422802990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174015 (or 174003 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 422802990 is about 20562.1737664090. The cubic root of 422802990 is about 750.5495172760.

The spelling of 422802990 in words is "four hundred twenty-two million, eight hundred two thousand, nine hundred ninety".