228370315866385 has 16 divisors (see below), whose sum is σ = 341665719322752. Its totient is φ = 142360716384000.

The previous prime is 228370315866377. The next prime is 228370315866403. The reversal of 228370315866385 is 583668513073822.

It is not a de Polignac number, because 228370315866385 - 2³ = 228370315866377 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 228370315866385.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 296584825416 + ... + 296584826185.

It is an arithmetic number, because the mean of its divisors is an integer number (21354107457672).

Almost surely, 2^{228370315866385} is an apocalyptic number.

It is an amenable number.

228370315866385 is a deficient number, since it is larger than the sum of its proper divisors (113295403456367).

228370315866385 is a wasteful number, since it uses less digits than its factorization.

228370315866385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593169651624.

The product of its (nonzero) digits is 348364800, while the sum is 67.

The spelling of 228370315866385 in words is "two hundred twenty-eight trillion, three hundred seventy billion, three hundred fifteen million, eight hundred sixty-six thousand, three hundred eighty-five".