224563541 has 2 divisors, whose sum is σ = 224563542. Its totient is φ = 224563540.

The previous prime is 224563529. The next prime is 224563543. The reversal of 224563541 is 145365422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126652516 + 97911025 = 11254^2 + 9895^2 .

It is a cyclic number.

It is not a de Polignac number, because 224563541 - 2⁶ = 224563477 is a prime.

It is a Sophie Germain prime.

Together with 224563543, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 224563498 and 224563507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224563543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112281770 + 112281771.

It is an arithmetic number, because the mean of its divisors is an integer number (112281771).

Almost surely, 2^224563541 is an apocalyptic number.

It is an amenable number.

224563541 is a deficient number, since it is larger than the sum of its proper divisors (1).

224563541 is an equidigital number, since it uses as much as digits as its factorization.

224563541 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 224563541 is about 14985.4443043908. Note that the first 3 decimals coincide. The cubic root of 224563541 is about 607.8266662012.

The spelling of 224563541 in words is "two hundred twenty-four million, five hundred sixty-three thousand, five hundred forty-one".