268572228 has 12 divisors (see below), whose sum is σ = 626668560. Its totient is φ = 89524072.

The previous prime is 268572223. The next prime is 268572229. The reversal of 268572228 is 822275862.

268572228 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 268572228.

It is not an unprimeable number, because it can be changed into a prime (268572223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11190498 + ... + 11190521.

It is an arithmetic number, because the mean of its divisors is an integer number (52222380).

Almost surely, 2^268572228 is an apocalyptic number.

It is an amenable number.

268572228 is an abundant number, since it is smaller than the sum of its proper divisors (358096332).

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

268572228 is a wasteful number, since it uses less digits than its factorization.

268572228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22381026 (or 22381024 counting only the distinct ones).

The product of its digits is 215040, while the sum is 42.

The square root of 268572228 is about 16388.1734186577. The cubic root of 268572228 is about 645.1891182714.

The spelling of 268572228 in words is "two hundred sixty-eight million, five hundred seventy-two thousand, two hundred twenty-eight".