228899228 has 24 divisors (see below), whose sum is σ = 411886944. Its totient is φ = 111238400.

The previous prime is 228899219. The next prime is 228899263. The reversal of 228899228 is 822998822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43601 + ... + 48567.

It is an arithmetic number, because the mean of its divisors is an integer number (17161956).

Almost surely, 2^228899228 is an apocalyptic number.

It is an amenable number.

228899228 is a deficient number, since it is larger than the sum of its proper divisors (182987716).

228899228 is a wasteful number, since it uses less digits than its factorization.

228899228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5293 (or 5291 counting only the distinct ones).

The product of its digits is 663552, while the sum is 50.

The square root of 228899228 is about 15129.4159834410. The cubic root of 228899228 is about 611.7135622570.

The spelling of 228899228 in words is "two hundred twenty-eight million, eight hundred ninety-nine thousand, two hundred twenty-eight".