82843228 has 24 divisors (see below), whose sum is σ = 156939552. Its totient is φ = 38036544.

The previous prime is 82843219. The next prime is 82843279. The reversal of 82843228 is 82234828.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6201 + ... + 14287.

It is an arithmetic number, because the mean of its divisors is an integer number (6539148).

Almost surely, 2^82843228 is an apocalyptic number.

It is an amenable number.

82843228 is a deficient number, since it is larger than the sum of its proper divisors (74096324).

82843228 is a wasteful number, since it uses less digits than its factorization.

82843228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8301 (or 8299 counting only the distinct ones).

The product of its digits is 49152, while the sum is 37.

The square root of 82843228 is about 9101.8255311778. The cubic root of 82843228 is about 435.9322552771.

Subtracting from 82843228 its reverse (82234828), we obtain a square (608400 = 780²).

The spelling of 82843228 in words is "eighty-two million, eight hundred forty-three thousand, two hundred twenty-eight".