422831880 has 256 divisors, whose sum is σ = 1469664000. Its totient is φ = 108066816.

The previous prime is 422831879. The next prime is 422831891. The reversal of 422831880 is 88138224.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4750876 + ... + 4750964.

It is an arithmetic number, because the mean of its divisors is an integer number (5740875).

Almost surely, 2^422831880 is an apocalyptic number.

422831880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422831880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (734832000).

422831880 is an abundant number, since it is smaller than the sum of its proper divisors (1046832120).

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

422831880 is a wasteful number, since it uses less digits than its factorization.

422831880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245 (or 235 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 422831880 is about 20562.8762579557. The cubic root of 422831880 is about 750.5666118269.

The spelling of 422831880 in words is "four hundred twenty-two million, eight hundred thirty-one thousand, eight hundred eighty".