228536604774 has 24 divisors (see below), whose sum is σ = 495213041232. Its totient is φ = 76171114800.

The previous prime is 228536604731. The next prime is 228536604787. The reversal of 228536604774 is 477406635822.

228536604774 is a `hidden beast` number, since 2 + 2 + 8 + 536 + 60 + 47 + 7 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 228536604774.

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, 462954 + ... + 819389.

It is an arithmetic number, because the mean of its divisors is an integer number (20633876718).

Almost surely, 2^228536604774 is an apocalyptic number.

228536604774 is an abundant number, since it is smaller than the sum of its proper divisors (266676436458).

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

228536604774 is a wasteful number, since it uses less digits than its factorization.

228536604774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1292252 (or 1292249 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 54.

The spelling of 228536604774 in words is "two hundred twenty-eight billion, five hundred thirty-six million, six hundred four thousand, seven hundred seventy-four".