228675515188 has 12 divisors (see below), whose sum is σ = 401669819460. Its totient is φ = 113912709632.

The previous prime is 228675515183. The next prime is 228675515221. The reversal of 228675515188 is 881515576822.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 62894620944 + 165780894244 = 250788^2 + 407162^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228675515183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106260781 + ... + 106262932.

It is an arithmetic number, because the mean of its divisors is an integer number (33472484955).

Almost surely, 2^228675515188 is an apocalyptic number.

It is an amenable number.

228675515188 is a deficient number, since it is larger than the sum of its proper divisors (172994304272).

228675515188 is a wasteful number, since it uses less digits than its factorization.

228675515188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212523986 (or 212523984 counting only the distinct ones).

The product of its digits is 10752000, while the sum is 58.

The spelling of 228675515188 in words is "two hundred twenty-eight billion, six hundred seventy-five million, five hundred fifteen thousand, one hundred eighty-eight".