228081152 has 40 divisors (see below), whose sum is σ = 490786296. Its totient is φ = 105265152.

The previous prime is 228081151. The next prime is 228081157. The reversal of 228081152 is 251180822.

It is a happy number.

228081152 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 (228081151) 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 3 ways as a sum of consecutive naturals, for example, 10478 + ... + 23789.

Almost surely, 2^228081152 is an apocalyptic number.

It is an amenable number.

228081152 is an abundant number, since it is smaller than the sum of its proper divisors (262705144).

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

228081152 is an equidigital number, since it uses as much as digits as its factorization.

228081152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34298 (or 34282 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 29.

The square root of 228081152 is about 15102.3558427154. The cubic root of 228081152 is about 610.9839463693.

The spelling of 228081152 in words is "two hundred twenty-eight million, eighty-one thousand, one hundred fifty-two".