228038018 has 32 divisors (see below), whose sum is σ = 375181632. Its totient is φ = 103320000.

The previous prime is 228037967. The next prime is 228038029. The reversal of 228038018 is 810830822.

228038018 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 a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 541448 + ... + 541868.

It is an arithmetic number, because the mean of its divisors is an integer number (11724426).

Almost surely, 2^228038018 is an apocalyptic number.

228038018 is a deficient number, since it is larger than the sum of its proper divisors (147143614).

228038018 is a wasteful number, since it uses less digits than its factorization.

228038018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770.

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 228038018 is about 15100.9277198456. The cubic root of 228038018 is about 610.9454281448.

The spelling of 228038018 in words is "two hundred twenty-eight million, thirty-eight thousand, eighteen".