223558 has 4 divisors (see below), whose sum is σ = 335340. Its totient is φ = 111778.

The previous prime is 223549. The next prime is 223577. The reversal of 223558 is 855322.

223558 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a plaindrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55888 + ... + 55891.

It is an arithmetic number, because the mean of its divisors is an integer number (83835).

2²²³⁵⁵⁸ is an apocalyptic number.

223558 is a deficient number, since it is larger than the sum of its proper divisors (111782).

223558 is a wasteful number, since it uses less digits than its factorization.

223558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111781.

The product of its digits is 2400, while the sum is 25.

The square root of 223558 is about 472.8192043477. The cubic root of 223558 is about 60.6918075300.

The spelling of 223558 in words is "two hundred twenty-three thousand, five hundred fifty-eight".