228206284 has 12 divisors (see below), whose sum is σ = 399969808. Its totient is φ = 113929200.

The previous prime is 228206281. The next prime is 228206309. The reversal of 228206284 is 482602822.

228206284 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (228206281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40512 + ... + 45799.

Almost surely, 2^228206284 is an apocalyptic number.

It is an amenable number.

228206284 is a deficient number, since it is larger than the sum of its proper divisors (171763524).

228206284 is a wasteful number, since it uses less digits than its factorization.

228206284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86976 (or 86974 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 34.

The square root of 228206284 is about 15106.4980720219. The cubic root of 228206284 is about 611.0956605044.

The spelling of 228206284 in words is "two hundred twenty-eight million, two hundred six thousand, two hundred eighty-four".