900909228 has 48 divisors (see below), whose sum is σ = 2192390144. Its totient is φ = 287608320.

The previous prime is 900909223. The next prime is 900909239. The reversal of 900909228 is 822909009.

900909228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (900909221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23601 + ... + 48567.

Almost surely, 2^900909228 is an apocalyptic number.

It is an amenable number.

900909228 is an abundant number, since it is smaller than the sum of its proper divisors (1291480916).

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

900909228 is a wasteful number, since it uses less digits than its factorization.

900909228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25102 (or 25100 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 900909228 is about 30015.1499746378. The cubic root of 900909228 is about 965.8144048023.

The spelling of 900909228 in words is "nine hundred million, nine hundred nine thousand, two hundred twenty-eight".