22844 has 6 divisors (see below), whose sum is σ = 39984. Its totient is φ = 11420.

The previous prime is 22817. The next prime is 22853. The reversal of 22844 is 44822.

It is a plaindrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2852 + ... + 2859.

It is an arithmetic number, because the mean of its divisors is an integer number (6664).

2²²⁸⁴⁴ is an apocalyptic number.

It is an amenable number.

22844 is a deficient number, since it is larger than the sum of its proper divisors (17140).

22844 is a wasteful number, since it uses less digits than its factorization.

22844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5715 (or 5713 counting only the distinct ones).

The product of its digits is 512, while the sum is 20.

The square root of 22844 is about 151.1423170393. The cubic root of 22844 is about 28.3742277601.

It can be divided in two parts, 228 and 44, that added together give a palindrome (272).

The spelling of 22844 in words is "twenty-two thousand, eight hundred forty-four".