228943541685 has 64 divisors (see below), whose sum is σ = 374997427200. Its totient is φ = 119245022208.

The previous prime is 228943541663. The next prime is 228943541699. The reversal of 228943541685 is 586145349822.

It is not a de Polignac number, because 228943541685 - 2¹³ = 228943533493 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 99843399 + ... + 99845691.

It is an arithmetic number, because the mean of its divisors is an integer number (5859334800).

Almost surely, 2^228943541685 is an apocalyptic number.

It is an amenable number.

228943541685 is a deficient number, since it is larger than the sum of its proper divisors (146053885515).

228943541685 is a wasteful number, since it uses less digits than its factorization.

228943541685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3262.

The product of its digits is 16588800, while the sum is 57.

The spelling of 228943541685 in words is "two hundred twenty-eight billion, nine hundred forty-three million, five hundred forty-one thousand, six hundred eighty-five".