228807288 has 32 divisors (see below), whose sum is σ = 635576400. Its totient is φ = 76269024.

The previous prime is 228807281. The next prime is 228807353. The reversal of 228807288 is 882708822.

228807288 is digitally balanced in base 2, 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 (228807281) 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, 529431 + ... + 529862.

Almost surely, 2^228807288 is an apocalyptic number.

It is an amenable number.

228807288 is an abundant number, since it is smaller than the sum of its proper divisors (406769112).

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

228807288 is a wasteful number, since it uses less digits than its factorization.

228807288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059308 (or 1059298 counting only the distinct ones).

The product of its (nonzero) digits is 229376, while the sum is 45.

The square root of 228807288 is about 15126.3772265536. The cubic root of 228807288 is about 611.6316506999.

The spelling of 228807288 in words is "two hundred twenty-eight million, eight hundred seven thousand, two hundred eighty-eight".