634302228 has 24 divisors (see below), whose sum is σ = 1691472832. Its totient is φ = 181229184.

The previous prime is 634302223. The next prime is 634302259. The reversal of 634302228 is 822203436.

It is a junction number, because it is equal to n+sod(n) for n = 634302195 and 634302204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634302223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3775525 + ... + 3775692.

Almost surely, 2^634302228 is an apocalyptic number.

It is an amenable number.

634302228 is an abundant number, since it is smaller than the sum of its proper divisors (1057170604).

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

634302228 is a wasteful number, since it uses less digits than its factorization.

634302228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7551231 (or 7551229 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 634302228 is about 25185.3574125919. The cubic root of 634302228 is about 859.2088577870.

The spelling of 634302228 in words is "six hundred thirty-four million, three hundred two thousand, two hundred twenty-eight".