228039368 has 36 divisors (see below), whose sum is σ = 452873745. Its totient is φ = 107634240.

The previous prime is 228039353. The next prime is 228039389. The reversal of 228039368 is 863930822.

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.

It can be written as a sum of positive squares in 2 ways, for example, as 220760164 + 7279204 = 14858^2 + 2698^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=10678.

It is a super-3 number, since 3×228039368³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 811388 + ... + 811668.

Almost surely, 2^228039368 is an apocalyptic number.

It is an amenable number.

228039368 is a deficient number, since it is larger than the sum of its proper divisors (224834377).

228039368 is an equidigital number, since it uses as much as digits as its factorization.

228039368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606 (or 302 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 228039368 is about 15100.9724190199. The cubic root of 228039368 is about 610.9466337547.

The spelling of 228039368 in words is "two hundred twenty-eight million, thirty-nine thousand, three hundred sixty-eight".