223455 has 8 divisors (see below), whose sum is σ = 357552. Its totient is φ = 119168.

The previous prime is 223441. The next prime is 223463. The reversal of 223455 is 554322.

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

It is a cyclic number.

It is not a de Polignac number, because 223455 - 2⁴ = 223439 is a prime.

It is a d-powerful number, because it can be written as 2¹² + 2¹⁶ + 4⁵ + 3¹⁰ + 5⁶ + 5⁷ .

It is a plaindrome in base 10 and base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7434 + ... + 7463.

It is an arithmetic number, because the mean of its divisors is an integer number (44694).

2²²³⁴⁵⁵ is an apocalyptic number.

223455 is a deficient number, since it is larger than the sum of its proper divisors (134097).

223455 is a wasteful number, since it uses less digits than its factorization.

223455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14905.

The product of its digits is 1200, while the sum is 21.

The square root of 223455 is about 472.7102706733. The cubic root of 223455 is about 60.6824852416.

Adding to 223455 its reverse (554322), we get a palindrome (777777).

The spelling of 223455 in words is "two hundred twenty-three thousand, four hundred fifty-five".