228175986688 has 480 divisors, whose sum is σ = 561825603360. Its totient is φ = 91603599360.

The previous prime is 228175986673. The next prime is 228175986719. The reversal of 228175986688 is 886689571822.

It can be written as a sum of positive squares in 16 ways, for example, as 71841153024 + 156334833664 = 268032^2 + 395392^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4305207270 + ... + 4305207322.

It is an arithmetic number, because the mean of its divisors is an integer number (1170470007).

Almost surely, 2^228175986688 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 228175986688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (280912801680).

228175986688 is an abundant number, since it is smaller than the sum of its proper divisors (333649616672).

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

228175986688 is a wasteful number, since it uses less digits than its factorization.

228175986688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181 (or 155 counting only the distinct ones).

The product of its digits is 185794560, while the sum is 70.

The spelling of 228175986688 in words is "two hundred twenty-eight billion, one hundred seventy-five million, nine hundred eighty-six thousand, six hundred eighty-eight".