28228228086268 has 24 divisors (see below), whose sum is σ = 56572383214592. Its totient is φ = 12072970527984.

The previous prime is 28228228086239. The next prime is 28228228086269. The reversal of 28228228086268 is 86268082282282.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28228228086269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1035048996 + ... + 1035076267.

Almost surely, 2^{28228228086268} is an apocalyptic number.

28228228086268 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

28228228086268 is an abundant number, since it is smaller than the sum of its proper divisors (28344155128324).

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

28228228086268 is a wasteful number, since it uses less digits than its factorization.

28228228086268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2070125761 (or 2070125759 counting only the distinct ones).

The product of its (nonzero) digits is 75497472, while the sum is 64.

The spelling of 28228228086268 in words is "twenty-eight trillion, two hundred twenty-eight billion, two hundred twenty-eight million, eighty-six thousand, two hundred sixty-eight".