2822 has 8 divisors (see below), whose sum is σ = 4536.
Its totient is φ = 1312.
The previous prime is 2819. The next prime is 2833. The reversal of 2822 is 2282.
It can be divided in two parts, 28 and 22, that multiplied together give a palindrome (616).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a nialpdrome in base 15.
It is a junction number, because it is equal to n+sod(n) for n = 2797 and 2806.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (5) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8 + ... + 75.
It is an arithmetic number, because the mean of its divisors is an integer number (567).
22822 is an apocalyptic number.
2822 is a deficient number, since it is larger than the sum of its proper divisors (1714).
2822 is a wasteful number, since it uses less digits than its factorization.
2822 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 102.
The product of its digits is 64, while the sum is 14.
The square root of 2822 is about 53.1224999412.
The cubic root of 2822 is about 14.1314156253.
The spelling of 2822 in words is "two thousand, eight hundred twenty-two".