634172622 has 32 divisors (see below), whose sum is σ = 1286433792. Its totient is φ = 208387584.

The previous prime is 634172599. The next prime is 634172657. The reversal of 634172622 is 226271436.

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, 286243 + ... + 288449.

It is an arithmetic number, because the mean of its divisors is an integer number (40201056).

Almost surely, 2^634172622 is an apocalyptic number.

634172622 is an abundant number, since it is smaller than the sum of its proper divisors (652261170).

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

634172622 is a wasteful number, since it uses less digits than its factorization.

634172622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2872.

The product of its digits is 24192, while the sum is 33.

The square root of 634172622 is about 25182.7842384435. The cubic root of 634172622 is about 859.1503335253.

The spelling of 634172622 in words is "six hundred thirty-four million, one hundred seventy-two thousand, six hundred twenty-two".