22184 has 16 divisors (see below), whose sum is σ = 43200. Its totient is φ = 10672.

The previous prime is 22171. The next prime is 22189. The reversal of 22184 is 48122.

It is a nude number because it is divisible by every one of its digits.

It is a plaindrome in base 9 and base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22189) by changing a digit.

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, 347 + ... + 405.

It is an arithmetic number, because the mean of its divisors is an integer number (2700).

2²²¹⁸⁴ is an apocalyptic number.

It is an amenable number.

22184 is a deficient number, since it is larger than the sum of its proper divisors (21016).

22184 is a wasteful number, since it uses less digits than its factorization.

22184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112 (or 108 counting only the distinct ones).

The product of its digits is 128, while the sum is 17.

The square root of 22184 is about 148.9429420953. The cubic root of 22184 is about 28.0982939910.

Adding to 22184 its sum of digits (17), we get a square (22201 = 149²).

It can be divided in two parts, 2218 and 4, that added together give a palindrome (2222).

The spelling of 22184 in words is "twenty-two thousand, one hundred eighty-four".