228660862508 has 12 divisors (see below), whose sum is σ = 430937779440. Its totient is φ = 105535782672.

The previous prime is 228660862387. The next prime is 228660862523. The reversal of 228660862508 is 805268066822.

It is a self number, because there is not a number n which added to its sum of digits gives 228660862508.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2198662088 + ... + 2198662191.

It is an arithmetic number, because the mean of its divisors is an integer number (35911481620).

Almost surely, 2^228660862508 is an apocalyptic number.

It is an amenable number.

228660862508 is a deficient number, since it is larger than the sum of its proper divisors (202276916932).

228660862508 is a wasteful number, since it uses less digits than its factorization.

228660862508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4397324296 (or 4397324294 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 53.

The spelling of 228660862508 in words is "two hundred twenty-eight billion, six hundred sixty million, eight hundred sixty-two thousand, five hundred eight".