224555 has 8 divisors (see below), whose sum is σ = 272832. Its totient is φ = 177408.

The previous prime is 224527. The next prime is 224563. The reversal of 224555 is 555422.

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 224555 - 2⁶ = 224491 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 224555.

It is an unprimeable 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 7 ways as a sum of consecutive naturals, for example, 254 + ... + 716.

It is an arithmetic number, because the mean of its divisors is an integer number (34104).

2²²⁴⁵⁵⁵ is an apocalyptic number.

224555 is a deficient number, since it is larger than the sum of its proper divisors (48277).

224555 is an equidigital number, since it uses as much as digits as its factorization.

224555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565.

The product of its digits is 2000, while the sum is 23.

The square root of 224555 is about 473.8723456797. The cubic root of 224555 is about 60.7818960122.

Adding to 224555 its reverse (555422), we get a palindrome (779977).

The spelling of 224555 in words is "two hundred twenty-four thousand, five hundred fifty-five".