228025575188 has 12 divisors (see below), whose sum is σ = 399352433172. Its totient is φ = 113924880000.

The previous prime is 228025575187. The next prime is 228025575191. The reversal of 228025575188 is 881575520822.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 165053687824 + 62971887364 = 406268^2 + 250942^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228025575181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21971063 + ... + 21981438.

It is an arithmetic number, because the mean of its divisors is an integer number (33279369431).

Almost surely, 2^228025575188 is an apocalyptic number.

It is an amenable number.

228025575188 is a deficient number, since it is larger than the sum of its proper divisors (171326857984).

228025575188 is a wasteful number, since it uses less digits than its factorization.

228025575188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43953802 (or 43953800 counting only the distinct ones).

The product of its (nonzero) digits is 3584000, while the sum is 53.

The spelling of 228025575188 in words is "two hundred twenty-eight billion, twenty-five million, five hundred seventy-five thousand, one hundred eighty-eight".