228133304 has 64 divisors (see below), whose sum is σ = 518400000. Its totient is φ = 91939968.

The previous prime is 228133303. The next prime is 228133313. The reversal of 228133304 is 403331822.

228133304 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 (228133303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157817 + ... + 159255.

It is an arithmetic number, because the mean of its divisors is an integer number (8100000).

Almost surely, 2^228133304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228133304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259200000).

228133304 is an abundant number, since it is smaller than the sum of its proper divisors (290266696).

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

228133304 is a wasteful number, since it uses less digits than its factorization.

228133304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1620 (or 1616 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 228133304 is about 15104.0823620636. The cubic root of 228133304 is about 611.0305110915.

The spelling of 228133304 in words is "two hundred twenty-eight million, one hundred thirty-three thousand, three hundred four".