228208205 has 16 divisors (see below), whose sum is σ = 284934144. Its totient is φ = 175271040.

The previous prime is 228208151. The next prime is 228208207. The reversal of 228208205 is 502802822.

It is not a de Polignac number, because 228208205 - 2¹⁰ = 228207181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228208207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13889 + ... + 25481.

It is an arithmetic number, because the mean of its divisors is an integer number (17808384).

Almost surely, 2^228208205 is an apocalyptic number.

It is an amenable number.

228208205 is a deficient number, since it is larger than the sum of its proper divisors (56725939).

228208205 is a wasteful number, since it uses less digits than its factorization.

228208205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11756.

The product of its (nonzero) digits is 5120, while the sum is 29.

The square root of 228208205 is about 15106.5616537980. The cubic root of 228208205 is about 611.0973751978.

The spelling of 228208205 in words is "two hundred twenty-eight million, two hundred eight thousand, two hundred five".