228143176 has 8 divisors (see below), whose sum is σ = 427768470. Its totient is φ = 114071584.

The previous prime is 228143129. The next prime is 228143189. The reversal of 228143176 is 671341822.

It can be written as a sum of positive squares in only one way, i.e., 151930276 + 76212900 = 12326^2 + 8730^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14258941 + ... + 14258956.

Almost surely, 2^228143176 is an apocalyptic number.

It is an amenable number.

228143176 is a deficient number, since it is larger than the sum of its proper divisors (199625294).

228143176 is a wasteful number, since it uses less digits than its factorization.

228143176 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28517903 (or 28517899 counting only the distinct ones).

The product of its digits is 16128, while the sum is 34.

The square root of 228143176 is about 15104.4091575937. The cubic root of 228143176 is about 611.0393246610.

Adding to 228143176 its reverse (671341822), we get a palindrome (899484998).

The spelling of 228143176 in words is "two hundred twenty-eight million, one hundred forty-three thousand, one hundred seventy-six".