228081307975 has 12 divisors (see below), whose sum is σ = 290464629064. Its totient is φ = 177533557920.

The previous prime is 228081307931. The next prime is 228081307991. The reversal of 228081307975 is 579703180822.

It is not a de Polignac number, because 228081307975 - 2⁷ = 228081307847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123286269 + ... + 123288118.

Almost surely, 2^228081307975 is an apocalyptic number.

228081307975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

228081307975 is a deficient number, since it is larger than the sum of its proper divisors (62383321089).

228081307975 is a wasteful number, since it uses less digits than its factorization.

228081307975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246574434 (or 246574429 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 52.

The spelling of 228081307975 in words is "two hundred twenty-eight billion, eighty-one million, three hundred seven thousand, nine hundred seventy-five".