422767378 has 8 divisors (see below), whose sum is σ = 691801200. Its totient is φ = 192166980.

The previous prime is 422767363. The next prime is 422767381. The reversal of 422767378 is 873767224.

It is a happy number.

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

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, 9608328 + ... + 9608371.

It is an arithmetic number, because the mean of its divisors is an integer number (86475150).

Almost surely, 2^422767378 is an apocalyptic number.

422767378 is a deficient number, since it is larger than the sum of its proper divisors (269033822).

422767378 is a wasteful number, since it uses less digits than its factorization.

422767378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19216712.

The product of its digits is 790272, while the sum is 46.

The square root of 422767378 is about 20561.3077891461. The cubic root of 422767378 is about 750.5284441675.

The spelling of 422767378 in words is "four hundred twenty-two million, seven hundred sixty-seven thousand, three hundred seventy-eight".