11822 has 8 divisors (see below), whose sum is σ = 18576. Its totient is φ = 5632.

The previous prime is 11821. The next prime is 11827. The reversal of 11822 is 22811.

11822 is nontrivially palindromic in base 4.

It is a sphenic number, since it is the product of 3 distinct primes.

11822 is an undulating number in base 16.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 11797 and 11806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83 + ... + 174.

It is an arithmetic number, because the mean of its divisors is an integer number (2322).

2¹¹⁸²² is an apocalyptic number.

11822 is a deficient number, since it is larger than the sum of its proper divisors (6754).

11822 is a wasteful number, since it uses less digits than its factorization.

11822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282.

The product of its digits is 32, while the sum is 14.

The square root of 11822 is about 108.7290209650. The cubic root of 11822 is about 22.7805209643.

The spelling of 11822 in words is "eleven thousand, eight hundred twenty-two".