228175652656 has 80 divisors (see below), whose sum is σ = 513693254464. Its totient is φ = 96162619392.

The previous prime is 228175652611. The next prime is 228175652657. The reversal of 228175652656 is 656256571822.

It is a junction number, because it is equal to n+sod(n) for n = 228175652597 and 228175652606.

It is not an unprimeable number, because it can be changed into a prime (228175652657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2713906 + ... + 2796718.

Almost surely, 2^228175652656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228175652656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (256846627232).

228175652656 is an abundant number, since it is smaller than the sum of its proper divisors (285517601808).

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

228175652656 is a wasteful number, since it uses less digits than its factorization.

228175652656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83238 (or 83232 counting only the distinct ones).

The product of its digits is 12096000, while the sum is 55.

The spelling of 228175652656 in words is "two hundred twenty-eight billion, one hundred seventy-five million, six hundred fifty-two thousand, six hundred fifty-six".