634222436 has 6 divisors (see below), whose sum is σ = 1109889270. Its totient is φ = 317111216.

The previous prime is 634222387. The next prime is 634222487.

634222436 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 633025600 + 1196836 = 25160^2 + 1094^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79277801 + ... + 79277808.

It is an arithmetic number, because the mean of its divisors is an integer number (184981545).

Almost surely, 2^634222436 is an apocalyptic number.

It is an amenable number.

634222436 is a deficient number, since it is larger than the sum of its proper divisors (475666834).

634222436 is a wasteful number, since it uses less digits than its factorization.

634222436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158555613 (or 158555611 counting only the distinct ones).

The product of its digits is 41472, while the sum is 32.

The square root of 634222436 is about 25183.7732677214. The cubic root of 634222436 is about 859.1728282387.

The spelling of 634222436 in words is "six hundred thirty-four million, two hundred twenty-two thousand, four hundred thirty-six".