228904360 has 32 divisors (see below), whose sum is σ = 519769800. Its totient is φ = 90720000.

The previous prime is 228904331. The next prime is 228904363. The reversal of 228904360 is 63409822.

228904360 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 181872196 + 47032164 = 13486^2 + 6858^2 .

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (228904363) 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, 21891 + ... + 30610.

Almost surely, 2^228904360 is an apocalyptic number.

228904360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228904360 is an abundant number, since it is smaller than the sum of its proper divisors (290865440).

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

228904360 is a wasteful number, since it uses less digits than its factorization.

228904360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52621 (or 52617 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 228904360 is about 15129.5855858645. The cubic root of 228904360 is about 611.7181338329.

The spelling of 228904360 in words is "two hundred twenty-eight million, nine hundred four thousand, three hundred sixty".