228768000028 has 12 divisors (see below), whose sum is σ = 400347472840. Its totient is φ = 114383007792.

The previous prime is 228767999939. The next prime is 228768000029. The reversal of 228768000028 is 820000867822.

It is a super-2 number, since 2×228768000028² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228768000029) 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, 571750 + ... + 885682.

Almost surely, 2^228768000028 is an apocalyptic number.

It is an amenable number.

228768000028 is a deficient number, since it is larger than the sum of its proper divisors (171579472812).

228768000028 is a wasteful number, since it uses less digits than its factorization.

228768000028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496116 (or 496114 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 43.

The spelling of 228768000028 in words is "two hundred twenty-eight billion, seven hundred sixty-eight million, twenty-eight", and thus it is an aban number.