223606 has 8 divisors (see below), whose sum is σ = 350064. Its totient is φ = 106920.

The previous prime is 223589. The next prime is 223621. The reversal of 223606 is 606322.

223606 is nontrivially palindromic in base 12.

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

It is a congruent number.

It is an unprimeable number.

223606 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, 2385 + ... + 2476.

It is an arithmetic number, because the mean of its divisors is an integer number (43758).

2²²³⁶⁰⁶ is an apocalyptic number.

223606 is a deficient number, since it is larger than the sum of its proper divisors (126458).

223606 is a wasteful number, since it uses less digits than its factorization.

223606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4886.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 223606 is about 472.8699609829. The cubic root of 223606 is about 60.6961509193.

Adding to 223606 its reverse (606322), we get a palindrome (829928).

It can be divided in two parts, 22360 and 6, that added together give a triangular number (22366 = T₂₁₁).

The spelling of 223606 in words is "two hundred twenty-three thousand, six hundred six".