228855428 has 48 divisors (see below), whose sum is σ = 446269824. Its totient is φ = 102136320.

The previous prime is 228855427. The next prime is 228855439. The reversal of 228855428 is 824558822.

It is not an unprimeable number, because it can be changed into a prime (228855427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204326 + ... + 205442.

It is an arithmetic number, because the mean of its divisors is an integer number (9297288).

Almost surely, 2^228855428 is an apocalyptic number.

It is an amenable number.

228855428 is a deficient number, since it is larger than the sum of its proper divisors (217414396).

228855428 is a wasteful number, since it uses less digits than its factorization.

228855428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1292 (or 1290 counting only the distinct ones).

The product of its digits is 409600, while the sum is 44.

The square root of 228855428 is about 15127.9684029284. The cubic root of 228855428 is about 611.6745425198.

The spelling of 228855428 in words is "two hundred twenty-eight million, eight hundred fifty-five thousand, four hundred twenty-eight".