222184 has 8 divisors (see below), whose sum is σ = 416610. Its totient is φ = 111088.

The previous prime is 222163. The next prime is 222193. The reversal of 222184 is 481222.

222184 is nontrivially palindromic in base 6.

It can be written as a sum of positive squares in only one way, i.e., 178084 + 44100 = 422^2 + 210^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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

It is an unprimeable number.

222184 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13879 + ... + 13894.

2²²²¹⁸⁴ is an apocalyptic number.

It is an amenable number.

222184 is a deficient number, since it is larger than the sum of its proper divisors (194426).

222184 is a wasteful number, since it uses less digits than its factorization.

222184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27779 (or 27775 counting only the distinct ones).

The product of its digits is 256, while the sum is 19.

The square root of 222184 is about 471.3639782588. The cubic root of 222184 is about 60.5672135093.

It can be divided in two parts, 22218 and 4, that added together give a palindrome (22222).

The spelling of 222184 in words is "two hundred twenty-two thousand, one hundred eighty-four".