228000205 has 8 divisors (see below), whose sum is σ = 276111000. Its totient is φ = 180726336.

The previous prime is 228000193. The next prime is 228000211. The reversal of 228000205 is 502000822.

228000205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 96255721 + 131744484 = 9811^2 + 11478^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 228000205 - 2⁷ = 228000077 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208630 + ... + 209719.

It is an arithmetic number, because the mean of its divisors is an integer number (34513875).

Almost surely, 2^228000205 is an apocalyptic number.

It is an amenable number.

228000205 is a deficient number, since it is larger than the sum of its proper divisors (48110795).

228000205 is a wasteful number, since it uses less digits than its factorization.

228000205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418463.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 228000205 is about 15099.6756587683. The cubic root of 228000205 is about 610.9116575237.

The spelling of 228000205 in words is "two hundred twenty-eight million, two hundred five", and thus it is an aban number.