Adding to 22016 its reverse (61022), we get a palindrome (83038).
22016 is nontrivially palindromic in base 7.
It is a nialpdrome in base 8.
It is a congruent number.
222016 is an apocalyptic number.
22016 is the 86-th octagonal number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 22016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22506).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22016 is an frugal number, since it uses more digits than its factorization.
22016 is an evil number, because the sum of its binary digits is even.
The square root of 22016 is about 148.3778959279. The cubic root of 22016 is about 28.0271844831.
The spelling of 22016 in words is "twenty-two thousand, sixteen".