224461 has 2 divisors, whose sum is σ = 224462. Its totient is φ = 224460.

The previous prime is 224449. The next prime is 224467. The reversal of 224461 is 164422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 152100 + 72361 = 390^2 + 269^2 .

It is a cyclic number.

It is not a de Polignac number, because 224461 - 2⁵ = 224429 is a prime.

It is a Chen prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224467) by changing a digit.

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 as a sum of consecutive naturals, namely, 112230 + 112231.

It is an arithmetic number, because the mean of its divisors is an integer number (112231).

2²²⁴⁴⁶¹ is an apocalyptic number.

It is an amenable number.

224461 is a deficient number, since it is larger than the sum of its proper divisors (1).

224461 is an equidigital number, since it uses as much as digits as its factorization.

224461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 384, while the sum is 19.

The square root of 224461 is about 473.7731524686. The cubic root of 224461 is about 60.7734136127.

Adding to 224461 its reverse (164422), we get a palindrome (388883).

The spelling of 224461 in words is "two hundred twenty-four thousand, four hundred sixty-one".