228576193812 has 24 divisors (see below), whose sum is σ = 592604947200. Its totient is φ = 76192064568.

The previous prime is 228576193799. The next prime is 228576193819. The reversal of 228576193812 is 218391675822.

228576193812 is a `hidden beast` number, since 2 + 2 + 8 + 5 + 7 + 619 + 3 + 8 + 12 = 666.

228576193812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228576193819) 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, 1058223012 + ... + 1058223227.

It is an arithmetic number, because the mean of its divisors is an integer number (24691872800).

Almost surely, 2^228576193812 is an apocalyptic number.

It is an amenable number.

228576193812 is an abundant number, since it is smaller than the sum of its proper divisors (364028753388).

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

228576193812 is a wasteful number, since it uses less digits than its factorization.

228576193812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2116446252 (or 2116446244 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The spelling of 228576193812 in words is "two hundred twenty-eight billion, five hundred seventy-six million, one hundred ninety-three thousand, eight hundred twelve".