228696205 has 8 divisors (see below), whose sum is σ = 274607352. Its totient is φ = 182842368.

The previous prime is 228696203. The next prime is 228696229. The reversal of 228696205 is 502696822.

It can be written as a sum of positive squares in 4 ways, for example, as 97891236 + 130804969 = 9894^2 + 11437^2 .

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 228696205 - 2¹ = 228696203 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228696203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4992 + ... + 21961.

It is an arithmetic number, because the mean of its divisors is an integer number (34325919).

Almost surely, 2^228696205 is an apocalyptic number.

It is an amenable number.

228696205 is a deficient number, since it is larger than the sum of its proper divisors (45911147).

228696205 is a wasteful number, since it uses less digits than its factorization.

228696205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28655.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 228696205 is about 15122.7049498428. The cubic root of 228696205 is about 611.5326549072.

The spelling of 228696205 in words is "two hundred twenty-eight million, six hundred ninety-six thousand, two hundred five".