634226164 has 48 divisors (see below), whose sum is σ = 1326104640. Its totient is φ = 261584640.

The previous prime is 634226147. The next prime is 634226207. The reversal of 634226164 is 461622436.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24352 + ... + 43144.

It is an arithmetic number, because the mean of its divisors is an integer number (27627180).

Almost surely, 2^634226164 is an apocalyptic number.

It is an amenable number.

634226164 is an abundant number, since it is smaller than the sum of its proper divisors (691878476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

634226164 is a wasteful number, since it uses less digits than its factorization.

634226164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18880 (or 18878 counting only the distinct ones).

The product of its digits is 41472, while the sum is 34.

The square root of 634226164 is about 25183.8472835268. The cubic root of 634226164 is about 859.1745116597.

The spelling of 634226164 in words is "six hundred thirty-four million, two hundred twenty-six thousand, one hundred sixty-four".