It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 218880.
218880 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
2218880 is an apocalyptic number.
218880 is a gapful number since it is divisible by the number (20) 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 218880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (398580).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
218880 is a wasteful number, since it uses less digits than its factorization.
218880 is an odious number, because the sum of its binary digits is odd.
The square root of 218880 is about 467.8461285508. The cubic root of 218880 is about 60.2654901833.
The spelling of 218880 in words is "two hundred eighteen thousand, eight hundred eighty".