224166 has 8 divisors (see below), whose sum is σ = 448344. Its totient is φ = 74720.

The previous prime is 224153. The next prime is 224171. The reversal of 224166 is 661422.

It is a happy number.

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

224166 is an admirable number.

It is a nialpdrome in base 12.

It is a congruent number.

It is an unprimeable number.

224166 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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18675 + ... + 18686.

It is an arithmetic number, because the mean of its divisors is an integer number (56043).

2²²⁴¹⁶⁶ is an apocalyptic number.

224166 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

224166 is a wasteful number, since it uses less digits than its factorization.

224166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37366.

The product of its digits is 576, while the sum is 21.

The square root of 224166 is about 473.4617196775. The cubic root of 224166 is about 60.7467779287.

Adding to 224166 its reverse (661422), we get a palindrome (885588).

It can be divided in two parts, 22416 and 6, that added together give a palindrome (22422).

The spelling of 224166 in words is "two hundred twenty-four thousand, one hundred sixty-six".