228128022816 has 48 divisors (see below), whose sum is σ = 599744930400. Its totient is φ = 75927262208.

The previous prime is 228128022799. The next prime is 228128022827. The reversal of 228128022816 is 618220821822.

It is a tau number, because it is divible by the number of its divisors (48).

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, 1739721 + ... + 1866248.

It is an arithmetic number, because the mean of its divisors is an integer number (12494686050).

Almost surely, 2^228128022816 is an apocalyptic number.

It is an amenable number.

228128022816 is an abundant number, since it is smaller than the sum of its proper divisors (371616907584).

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

228128022816 is a wasteful number, since it uses less digits than its factorization.

228128022816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3606641 (or 3606633 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 42.

The spelling of 228128022816 in words is "two hundred twenty-eight billion, one hundred twenty-eight million, twenty-two thousand, eight hundred sixteen".