82859228 has 36 divisors (see below), whose sum is σ = 155708280. Its totient is φ = 38473920.

The previous prime is 82859213. The next prime is 82859239. The reversal of 82859228 is 82295828.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 282650 + ... + 282942.

It is an arithmetic number, because the mean of its divisors is an integer number (4325230).

Almost surely, 2^82859228 is an apocalyptic number.

It is an amenable number.

82859228 is a deficient number, since it is larger than the sum of its proper divisors (72849052).

82859228 is a wasteful number, since it uses less digits than its factorization.

82859228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438 (or 375 counting only the distinct ones).

The product of its digits is 184320, while the sum is 44.

The square root of 82859228 is about 9102.7044332989. The cubic root of 82859228 is about 435.9603181909.

The spelling of 82859228 in words is "eighty-two million, eight hundred fifty-nine thousand, two hundred twenty-eight".