634353222 has 16 divisors (see below), whose sum is σ = 1269882432. Its totient is φ = 211255080.

The previous prime is 634353169. The next prime is 634353233. The reversal of 634353222 is 222353436.

It is a self number, because there is not a number n which added to its sum of digits gives 634353222.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 41908 + ... + 54999.

It is an arithmetic number, because the mean of its divisors is an integer number (79367652).

Almost surely, 2^634353222 is an apocalyptic number.

634353222 is an abundant number, since it is smaller than the sum of its proper divisors (635529210).

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

634353222 is a wasteful number, since it uses less digits than its factorization.

634353222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98003.

The product of its digits is 25920, while the sum is 30.

The square root of 634353222 is about 25186.3697662049. The cubic root of 634353222 is about 859.2318822068.

The spelling of 634353222 in words is "six hundred thirty-four million, three hundred fifty-three thousand, two hundred twenty-two".