222244042213513 has 2 divisors, whose sum is σ = 222244042213514. Its totient is φ = 222244042213512.

The previous prime is 222244042213499. The next prime is 222244042213547. The reversal of 222244042213513 is 315312240442222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143458038895609 + 78786003317904 = 11977397^2 + 8876148^2 .

It is a cyclic number.

It is not a de Polignac number, because 222244042213513 - 2¹³ = 222244042205321 is a prime.

It is not a weakly prime, because it can be changed into another prime (222244042513513) 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, 111122021106756 + 111122021106757.

It is an arithmetic number, because the mean of its divisors is an integer number (111122021106757).

Almost surely, 2^{222244042213513} is an apocalyptic number.

It is an amenable number.

222244042213513 is a deficient number, since it is larger than the sum of its proper divisors (1).

222244042213513 is an equidigital number, since it uses as much as digits as its factorization.

222244042213513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 184320, while the sum is 37.

Adding to 222244042213513 its reverse (315312240442222), we get a palindrome (537556282655735).

The spelling of 222244042213513 in words is "two hundred twenty-two trillion, two hundred forty-four billion, forty-two million, two hundred thirteen thousand, five hundred thirteen".