228145336 has 8 divisors (see below), whose sum is σ = 427772520. Its totient is φ = 114072664.

The previous prime is 228145327. The next prime is 228145339. The reversal of 228145336 is 633541822.

228145336 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228145339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14259076 + ... + 14259091.

It is an arithmetic number, because the mean of its divisors is an integer number (53471565).

Almost surely, 2^228145336 is an apocalyptic number.

It is an amenable number.

228145336 is a deficient number, since it is larger than the sum of its proper divisors (199627184).

228145336 is a wasteful number, since it uses less digits than its factorization.

228145336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28518173 (or 28518169 counting only the distinct ones).

The product of its digits is 34560, while the sum is 34.

The square root of 228145336 is about 15104.4806597248. The cubic root of 228145336 is about 611.0412530418.

The spelling of 228145336 in words is "two hundred twenty-eight million, one hundred forty-five thousand, three hundred thirty-six".