228856891332 has 24 divisors (see below), whose sum is σ = 534223755072. Its totient is φ = 76253581600.

The previous prime is 228856891327. The next prime is 228856891339. The reversal of 228856891332 is 233198658822.

It is a happy number.

228856891332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (228856891339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3976344 + ... + 4033487.

It is an arithmetic number, because the mean of its divisors is an integer number (22259323128).

Almost surely, 2^228856891332 is an apocalyptic number.

It is an amenable number.

228856891332 is an abundant number, since it is smaller than the sum of its proper divisors (305366863740).

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

228856891332 is a wasteful number, since it uses less digits than its factorization.

228856891332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8012219 (or 8012217 counting only the distinct ones).

The product of its digits is 9953280, while the sum is 57.

The spelling of 228856891332 in words is "two hundred twenty-eight billion, eight hundred fifty-six million, eight hundred ninety-one thousand, three hundred thirty-two".