224534561 has 2 divisors, whose sum is σ = 224534562. Its totient is φ = 224534560.

The previous prime is 224534543. The next prime is 224534599. The reversal of 224534561 is 165435422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 197233936 + 27300625 = 14044^2 + 5225^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-224534561 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (224534161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112267280 + 112267281.

It is an arithmetic number, because the mean of its divisors is an integer number (112267281).

Almost surely, 2^224534561 is an apocalyptic number.

It is an amenable number.

224534561 is a deficient number, since it is larger than the sum of its proper divisors (1).

224534561 is an equidigital number, since it uses as much as digits as its factorization.

224534561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28800, while the sum is 32.

The square root of 224534561 is about 14984.4773348956. The cubic root of 224534561 is about 607.8005183316.

Adding to 224534561 its reverse (165435422), we get a palindrome (389969983).

The spelling of 224534561 in words is "two hundred twenty-four million, five hundred thirty-four thousand, five hundred sixty-one".