228686205 has 16 divisors (see below), whose sum is σ = 399161664. Its totient is φ = 110878080.

The previous prime is 228686201. The next prime is 228686281. The reversal of 228686205 is 502686822.

It is not a de Polignac number, because 228686205 - 2² = 228686201 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228686201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 692824 + ... + 693153.

It is an arithmetic number, because the mean of its divisors is an integer number (24947604).

Almost surely, 2^228686205 is an apocalyptic number.

It is an amenable number.

228686205 is a deficient number, since it is larger than the sum of its proper divisors (170475459).

228686205 is a wasteful number, since it uses less digits than its factorization.

228686205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1385996.

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 228686205 is about 15122.3743175468. The cubic root of 228686205 is about 611.5237414585.

The spelling of 228686205 in words is "two hundred twenty-eight million, six hundred eighty-six thousand, two hundred five".