228086685 has 80 divisors (see below), whose sum is σ = 434345472. Its totient is φ = 114307200.

The previous prime is 228086627. The next prime is 228086707. The reversal of 228086685 is 586680822.

It is not a de Polignac number, because 228086685 - 2²³ = 219698077 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 228086685.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 464290 + ... + 464780.

Almost surely, 2^228086685 is an apocalyptic number.

It is an amenable number.

228086685 is a deficient number, since it is larger than the sum of its proper divisors (206258787).

228086685 is a wasteful number, since it uses less digits than its factorization.

228086685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576 (or 567 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The square root of 228086685 is about 15102.5390249454. The cubic root of 228086685 is about 610.9888869308.

The spelling of 228086685 in words is "two hundred twenty-eight million, eighty-six thousand, six hundred eighty-five".