228568068 has 60 divisors (see below), whose sum is σ = 600722892. Its totient is φ = 75781440.

The previous prime is 228568051. The next prime is 228568069. The reversal of 228568068 is 860865822.

228568068 is a `hidden beast` number, since 2 + 28 + 568 + 0 + 68 = 666.

228568068 is digitally balanced in base 2, 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 2 ways, for example, as 215737344 + 12830724 = 14688^2 + 3582^2 .

It is not an unprimeable number, because it can be changed into a prime (228568069) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 62038 + ... + 65618.

Almost surely, 2^228568068 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228568068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (300361446).

228568068 is an abundant number, since it is smaller than the sum of its proper divisors (372154824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228568068 is a wasteful number, since it uses less digits than its factorization.

228568068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3794 (or 3783 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The square root of 228568068 is about 15118.4677795073. The cubic root of 228568068 is about 611.4184209766.

The spelling of 228568068 in words is "two hundred twenty-eight million, five hundred sixty-eight thousand, sixty-eight".