228311308 has 12 divisors (see below), whose sum is σ = 403501392. Its totient is φ = 113025200.

The previous prime is 228311273. The next prime is 228311323. The reversal of 228311308 is 803113822.

228311308 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282160 + ... + 282967.

It is an arithmetic number, because the mean of its divisors is an integer number (33625116).

Almost surely, 2^228311308 is an apocalyptic number.

It is an amenable number.

228311308 is a deficient number, since it is larger than the sum of its proper divisors (175190084).

228311308 is a wasteful number, since it uses less digits than its factorization.

228311308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565232 (or 565230 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 228311308 is about 15109.9737921679. The cubic root of 228311308 is about 611.1893912970.

The spelling of 228311308 in words is "two hundred twenty-eight million, three hundred eleven thousand, three hundred eight".