223166 has 8 divisors (see below), whose sum is σ = 336864. Its totient is φ = 110880.

The previous prime is 223151. The next prime is 223207. The reversal of 223166 is 661322.

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

It is a super-3 number, since 3×223166³ = 33343051444614888, which contains 333 as substring.

It is a Curzon number.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251 + ... + 713.

It is an arithmetic number, because the mean of its divisors is an integer number (42108).

2²²³¹⁶⁶ is an apocalyptic number.

223166 is a deficient number, since it is larger than the sum of its proper divisors (113698).

223166 is a wasteful number, since it uses less digits than its factorization.

223166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706.

The product of its digits is 432, while the sum is 20.

The square root of 223166 is about 472.4044877010. The cubic root of 223166 is about 60.6563132247.

Adding to 223166 its reverse (661322), we get a palindrome (884488).

It can be divided in two parts, 22316 and 6, that added together give a palindrome (22322).

The spelling of 223166 in words is "two hundred twenty-three thousand, one hundred sixty-six".