228812813328 has 40 divisors (see below), whose sum is σ = 644836111776. Its totient is φ = 69337216000.

The previous prime is 228812813309. The next prime is 228812813353. The reversal of 228812813328 is 823318218822.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216678273 + ... + 216679328.

Almost surely, 2^228812813328 is an apocalyptic number.

It is an amenable number.

228812813328 is an abundant number, since it is smaller than the sum of its proper divisors (416023298448).

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

228812813328 is a wasteful number, since it uses less digits than its factorization.

228812813328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433357623 (or 433357617 counting only the distinct ones).

The product of its digits is 589824, while the sum is 48.

The spelling of 228812813328 in words is "two hundred twenty-eight billion, eight hundred twelve million, eight hundred thirteen thousand, three hundred twenty-eight".