6622 has 16 divisors (see below), whose sum is σ = 12672.
Its totient is φ = 2520.
The previous prime is 6619. The next prime is 6637. The reversal of 6622 is 2266.
6622 is a Rhonda number in base 8.
It is a plaindrome in base 16.
It is a nialpdrome in base 10.
It is a zygodrome in base 10.
It is a junction number, because it is equal to n+sod(n) for n = 6596 and 6605.
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, 133 + ... + 175.
It is an arithmetic number, because the mean of its divisors is an integer number (792).
6622 is a deficient number, since it is larger than the sum of its proper divisors (6050).
6622 is a wasteful number, since it uses less digits than its factorization.
6622 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 63.
The product of its digits is 144, while the sum is 16.
The square root of 6622 is about 81.3756720402.
The cubic root of 6622 is about 18.7785934104.
Adding to 6622 its reverse (2266), we get a palindrome (8888).
Subtracting from 6622 its reverse (2266), we obtain a square (4356 = 662).
It can be divided in two parts, 66 and 22, that added together give a palindrome (88).
The spelling of 6622 in words is "six thousand, six hundred twenty-two".