16822 has 8 divisors (see below), whose sum is σ = 27216.
Its totient is φ = 7752.
The previous prime is 16811. The next prime is 16823. The reversal of 16822 is 22861.
It is a happy number.
16822 is an esthetic number in base 12, because in such base its adjacent digits differ by 1.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 16822.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (16823) by changing a digit.
16822 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 298 + ... + 349.
It is an arithmetic number, because the mean of its divisors is an integer number (3402).
216822 is an apocalyptic number.
16822 is a deficient number, since it is larger than the sum of its proper divisors (10394).
16822 is a wasteful number, since it uses less digits than its factorization.
16822 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 662.
The product of its digits is 192, while the sum is 19.
The square root of 16822 is about 129.6996530450.
The cubic root of 16822 is about 25.6227580827.
It can be divided in two parts, 1682 and 2, that multiplied together give a square (3364 = 582).
The spelling of 16822 in words is "sixteen thousand, eight hundred twenty-two".