Adding to 82240 its reverse (4228), we get a palindrome (86468).
It is a d-powerful number, because it can be written as 82 + 214 + 216 + 44 + 0 .
It is a zygodrome in base 4.
It is a congruent number.
In principle, a polygon with 82240 sides can be constructed with ruler and compass.
282240 is an apocalyptic number.
82240 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 82240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98298).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
82240 is a wasteful number, since it uses less digits than its factorization.
82240 is an evil number, because the sum of its binary digits is even.
The square root of 82240 is about 286.7751732630. The cubic root of 82240 is about 43.4871587586.
The spelling of 82240 in words is "eighty-two thousand, two hundred forty".