228536604775 has 24 divisors (see below), whose sum is σ = 286095974400. Its totient is φ = 181085355360.

The previous prime is 228536604731. The next prime is 228536604787. The reversal of 228536604775 is 577406635822.

It is not a de Polignac number, because 228536604775 - 2¹¹ = 228536602727 is a prime.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1841742 + ... + 1961908.

It is an arithmetic number, because the mean of its divisors is an integer number (11920665600).

Almost surely, 2^228536604775 is an apocalyptic number.

228536604775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

228536604775 is a deficient number, since it is larger than the sum of its proper divisors (57559369625).

228536604775 is a wasteful number, since it uses less digits than its factorization.

228536604775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120903 (or 120898 counting only the distinct ones).

The product of its (nonzero) digits is 16934400, while the sum is 55.

The spelling of 228536604775 in words is "two hundred twenty-eight billion, five hundred thirty-six million, six hundred four thousand, seven hundred seventy-five".