422223178 has 24 divisors (see below), whose sum is σ = 688946688. Its totient is φ = 193978512.

The previous prime is 422223173. The next prime is 422223199. The reversal of 422223178 is 871322224.

It is not an unprimeable number, because it can be changed into a prime (422223173) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73975 + ... + 79477.

It is an arithmetic number, because the mean of its divisors is an integer number (28706112).

Almost surely, 2^422223178 is an apocalyptic number.

422223178 is a deficient number, since it is larger than the sum of its proper divisors (266723510).

422223178 is a wasteful number, since it uses less digits than its factorization.

422223178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5758 (or 5745 counting only the distinct ones).

The product of its digits is 10752, while the sum is 31.

The square root of 422223178 is about 20548.0699336945. The cubic root of 422223178 is about 750.2062709682.

The spelling of 422223178 in words is "four hundred twenty-two million, two hundred twenty-three thousand, one hundred seventy-eight".