22822 has 4 divisors (see below), whose sum is σ = 34236. Its totient is φ = 11410.

The previous prime is 22817. The next prime is 22853.

22822 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 22796 and 22805.

It is a congruent number.

It is an unprimeable number.

22822 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 as a sum of consecutive naturals, namely, 5704 + ... + 5707.

It is an arithmetic number, because the mean of its divisors is an integer number (8559).

2²²⁸²² is an apocalyptic number.

22822 is a deficient number, since it is larger than the sum of its proper divisors (11414).

22822 is a wasteful number, since it uses less digits than its factorization.

22822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11413.

The product of its digits is 128, while the sum is 16.

The square root of 22822 is about 151.0695204202. The cubic root of 22822 is about 28.3651161990.

The spelling of 22822 in words is "twenty-two thousand, eight hundred twenty-two".