422678318 has 8 divisors (see below), whose sum is σ = 635046912. Its totient is φ = 210996016.

The previous prime is 422678309. The next prime is 422678359. The reversal of 422678318 is 813876224.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170030 + ... + 172497.

It is an arithmetic number, because the mean of its divisors is an integer number (79380864).

Almost surely, 2^422678318 is an apocalyptic number.

422678318 is a deficient number, since it is larger than the sum of its proper divisors (212368594).

422678318 is a wasteful number, since it uses less digits than its factorization.

422678318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343146.

The product of its digits is 129024, while the sum is 41.

The square root of 422678318 is about 20559.1419568035. The cubic root of 422678318 is about 750.4757384630.

The spelling of 422678318 in words is "four hundred twenty-two million, six hundred seventy-eight thousand, three hundred eighteen".