228085281608 has 12 divisors (see below), whose sum is σ = 427662435795. Its totient is φ = 114041965400.

The previous prime is 228085281559. The next prime is 228085281647. The reversal of 228085281608 is 806182580822.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

228085281608 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 114042640804 + 114042640804 = 337702^2 + 337702^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=337702.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1266383 + ... + 1435233.

Almost surely, 2^228085281608 is an apocalyptic number.

It is an amenable number.

228085281608 is a deficient number, since it is larger than the sum of its proper divisors (199577154187).

228085281608 is an frugal number, since it uses more digits than its factorization.

228085281608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337708 (or 168853 counting only the distinct ones).

The product of its (nonzero) digits is 983040, while the sum is 50.

Multiplying 228085281608 by its sum of digits (50), we get a square (11404264080400 = 3377020²).

The spelling of 228085281608 in words is "two hundred twenty-eight billion, eighty-five million, two hundred eighty-one thousand, six hundred eight".