228375208 has 8 divisors (see below), whose sum is σ = 428203530. Its totient is φ = 114187600.

The previous prime is 228375179. The next prime is 228375221. The reversal of 228375208 is 802573822.

It can be written as a sum of positive squares in only one way, i.e., 132296004 + 96079204 = 11502^2 + 9802^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14273443 + ... + 14273458.

Almost surely, 2^228375208 is an apocalyptic number.

It is an amenable number.

228375208 is a deficient number, since it is larger than the sum of its proper divisors (199828322).

228375208 is a wasteful number, since it uses less digits than its factorization.

228375208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28546907 (or 28546903 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 228375208 is about 15112.0881416170. The cubic root of 228375208 is about 611.2464060801.

The spelling of 228375208 in words is "two hundred twenty-eight million, three hundred seventy-five thousand, two hundred eight".