422831790 has 48 divisors (see below), whose sum is σ = 1100387808. Its totient is φ = 112650048.

The previous prime is 422831777. The next prime is 422831821. The reversal of 422831790 is 97138224.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 167679 + ... + 170181.

It is an arithmetic number, because the mean of its divisors is an integer number (22924746).

Almost surely, 2^422831790 is an apocalyptic number.

422831790 is an abundant number, since it is smaller than the sum of its proper divisors (677556018).

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

422831790 is a wasteful number, since it uses less digits than its factorization.

422831790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4393 (or 4390 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 422831790 is about 20562.8740695458. The cubic root of 422831790 is about 750.5665585741.

The spelling of 422831790 in words is "four hundred twenty-two million, eight hundred thirty-one thousand, seven hundred ninety".