228809208 has 16 divisors (see below), whose sum is σ = 572023080. Its totient is φ = 76269728.

The previous prime is 228809173. The next prime is 228809209. The reversal of 228809208 is 802908822.

228809208 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228809209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4766835 + ... + 4766882.

Almost surely, 2^228809208 is an apocalyptic number.

It is an amenable number.

228809208 is an abundant number, since it is smaller than the sum of its proper divisors (343213872).

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

228809208 is a wasteful number, since it uses less digits than its factorization.

228809208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9533726 (or 9533722 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 39.

The square root of 228809208 is about 15126.4406917159. The cubic root of 228809208 is about 611.6333614984.

The spelling of 228809208 in words is "two hundred twenty-eight million, eight hundred nine thousand, two hundred eight".