228081316 has 24 divisors (see below), whose sum is σ = 423843840. Its totient is φ = 107021952.

The previous prime is 228081277. The next prime is 228081361. The reversal of 228081316 is 613180822.

228081316 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 an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19741 + ... + 29083.

It is an arithmetic number, because the mean of its divisors is an integer number (17660160).

Almost surely, 2^228081316 is an apocalyptic number.

It is an amenable number.

228081316 is a deficient number, since it is larger than the sum of its proper divisors (195762524).

228081316 is a wasteful number, since it uses less digits than its factorization.

228081316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9723 (or 9721 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 228081316 is about 15102.3612723309. The cubic root of 228081316 is about 610.9840928104.

The spelling of 228081316 in words is "two hundred twenty-eight million, eighty-one thousand, three hundred sixteen".