228066253867 has 16 divisors (see below), whose sum is σ = 238006204128. Its totient is φ = 218361991680.

The previous prime is 228066253843. The next prime is 228066253901. The reversal of 228066253867 is 768352660822.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 228066253867 - 2²⁷ = 227932036139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228066251867) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 620163 + ... + 916915.

It is an arithmetic number, because the mean of its divisors is an integer number (14875387758).

Almost surely, 2^228066253867 is an apocalyptic number.

228066253867 is a deficient number, since it is larger than the sum of its proper divisors (9939950261).

228066253867 is a wasteful number, since it uses less digits than its factorization.

228066253867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297150.

The product of its (nonzero) digits is 11612160, while the sum is 55.

The spelling of 228066253867 in words is "two hundred twenty-eight billion, sixty-six million, two hundred fifty-three thousand, eight hundred sixty-seven".