224561 has 8 divisors (see below), whose sum is σ = 241920. Its totient is φ = 207792.

The previous prime is 224527. The next prime is 224563. The reversal of 224561 is 165422.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-224561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (224563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 896 + ... + 1118.

It is an arithmetic number, because the mean of its divisors is an integer number (30240).

2²²⁴⁵⁶¹ is an apocalyptic number.

It is an amenable number.

224561 is a deficient number, since it is larger than the sum of its proper divisors (17359).

224561 is a wasteful number, since it uses less digits than its factorization.

224561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295.

The product of its digits is 480, while the sum is 20.

The square root of 224561 is about 473.8786764563. The cubic root of 224561 is about 60.7824373616.

Adding to 224561 its reverse (165422), we get a palindrome (389983).

The spelling of 224561 in words is "two hundred twenty-four thousand, five hundred sixty-one".