224091230509 has 2 divisors, whose sum is σ = 224091230510. Its totient is φ = 224091230508.

The previous prime is 224091230449. The next prime is 224091230537. The reversal of 224091230509 is 905032190422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 211229402409 + 12861828100 = 459597^2 + 113410^2 .

It is a cyclic number.

It is not a de Polignac number, because 224091230509 - 2⁷ = 224091230381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224091230569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112045615254 + 112045615255.

It is an arithmetic number, because the mean of its divisors is an integer number (112045615255).

Almost surely, 2^224091230509 is an apocalyptic number.

It is an amenable number.

224091230509 is a deficient number, since it is larger than the sum of its proper divisors (1).

224091230509 is an equidigital number, since it uses as much as digits as its factorization.

224091230509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 37.

The spelling of 224091230509 in words is "two hundred twenty-four billion, ninety-one million, two hundred thirty thousand, five hundred nine".