282172868 has 12 divisors (see below), whose sum is σ = 522849852. Its totient is φ = 132787200.

The previous prime is 282172867. The next prime is 282172879. The reversal of 282172868 is 868271282.

It can be written as a sum of positive squares in 2 ways, for example, as 219573124 + 62599744 = 14818^2 + 7912^2 .

It is not an unprimeable number, because it can be changed into a prime (282172867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2074733 + ... + 2074868.

It is an arithmetic number, because the mean of its divisors is an integer number (43570821).

Almost surely, 2^282172868 is an apocalyptic number.

It is an amenable number.

282172868 is a deficient number, since it is larger than the sum of its proper divisors (240676984).

282172868 is a wasteful number, since it uses less digits than its factorization.

282172868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4149622 (or 4149620 counting only the distinct ones).

The product of its digits is 172032, while the sum is 44.

The square root of 282172868 is about 16798.0019049886. The cubic root of 282172868 is about 655.9011878979.

The spelling of 282172868 in words is "two hundred eighty-two million, one hundred seventy-two thousand, eight hundred sixty-eight".