634394222 has 32 divisors (see below), whose sum is σ = 1214002944. Its totient is φ = 241416000.

The previous prime is 634394221. The next prime is 634394237. The reversal of 634394222 is 222493436.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634394221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41279 + ... + 54522.

It is an arithmetic number, because the mean of its divisors is an integer number (37937592).

Almost surely, 2^634394222 is an apocalyptic number.

634394222 is a deficient number, since it is larger than the sum of its proper divisors (579608722).

634394222 is a wasteful number, since it uses less digits than its factorization.

634394222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95864.

The product of its digits is 62208, while the sum is 35.

The square root of 634394222 is about 25187.1836853587. The cubic root of 634394222 is about 859.2503933175.

The spelling of 634394222 in words is "six hundred thirty-four million, three hundred ninety-four thousand, two hundred twenty-two".