228311994275 has 24 divisors (see below), whose sum is σ = 284027383584. Its totient is φ = 182056492800.

The previous prime is 228311994233. The next prime is 228311994299. The reversal of 228311994275 is 572499113822.

228311994275 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 228311994275 - 2¹⁰ = 228311993251 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12863207 + ... + 12880943.

It is an arithmetic number, because the mean of its divisors is an integer number (11834474316).

Almost surely, 2^228311994275 is an apocalyptic number.

228311994275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

228311994275 is a deficient number, since it is larger than the sum of its proper divisors (55715389309).

228311994275 is a wasteful number, since it uses less digits than its factorization.

228311994275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19391 (or 19386 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 53.

The spelling of 228311994275 in words is "two hundred twenty-eight billion, three hundred eleven million, nine hundred ninety-four thousand, two hundred seventy-five".