It is a congruent number.
It is an unprimeable number.
222680 is an apocalyptic number.
22680 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 22680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22680 is a wasteful number, since it uses less digits than its factorization.
22680 is an evil number, because the sum of its binary digits is even.
The square root of 22680 is about 150.5988047761. The cubic root of 22680 is about 28.3061638819.
The spelling of 22680 in words is "twenty-two thousand, six hundred eighty".