242224513 has 2 divisors, whose sum is σ = 242224514. Its totient is φ = 242224512.

The previous prime is 242224471. The next prime is 242224531. The reversal of 242224513 is 315422242.

Together with next prime (242224531) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 145733184 + 96491329 = 12072^2 + 9823^2 .

It is a cyclic number.

It is not a de Polignac number, because 242224513 - 2¹³ = 242216321 is a prime.

It is not a weakly prime, because it can be changed into another prime (242224553) 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, 121112256 + 121112257.

It is an arithmetic number, because the mean of its divisors is an integer number (121112257).

Almost surely, 2^242224513 is an apocalyptic number.

It is an amenable number.

242224513 is a deficient number, since it is larger than the sum of its proper divisors (1).

242224513 is an equidigital number, since it uses as much as digits as its factorization.

242224513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3840, while the sum is 25.

The square root of 242224513 is about 15563.5636343352. The cubic root of 242224513 is about 623.3606214203.

Adding to 242224513 its reverse (315422242), we get a palindrome (557646755).

The spelling of 242224513 in words is "two hundred forty-two million, two hundred twenty-four thousand, five hundred thirteen".