422439830 has 8 divisors (see below), whose sum is σ = 760391712. Its totient is φ = 168975928.

The previous prime is 422439793. The next prime is 422439859. The reversal of 422439830 is 38934224.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 21121982 + ... + 21122001.

It is an arithmetic number, because the mean of its divisors is an integer number (95048964).

Almost surely, 2^422439830 is an apocalyptic number.

422439830 is a deficient number, since it is larger than the sum of its proper divisors (337951882).

422439830 is a wasteful number, since it uses less digits than its factorization.

422439830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42243990.

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 422439830 is about 20553.3410909273. The cubic root of 422439830 is about 750.3345648071.

The spelling of 422439830 in words is "four hundred twenty-two million, four hundred thirty-nine thousand, eight hundred thirty".