222064013257 has 2 divisors, whose sum is σ = 222064013258. Its totient is φ = 222064013256.

The previous prime is 222064013251. The next prime is 222064013287. The reversal of 222064013257 is 752310460222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 214402337296 + 7661675961 = 463036^2 + 87531^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222064013257 is a prime.

It is not a weakly prime, because it can be changed into another prime (222064013251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111032006628 + 111032006629.

It is an arithmetic number, because the mean of its divisors is an integer number (111032006629).

Almost surely, 2^222064013257 is an apocalyptic number.

It is an amenable number.

222064013257 is a deficient number, since it is larger than the sum of its proper divisors (1).

222064013257 is an equidigital number, since it uses as much as digits as its factorization.

222064013257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 34.

Adding to 222064013257 its reverse (752310460222), we get a palindrome (974374473479).

The spelling of 222064013257 in words is "two hundred twenty-two billion, sixty-four million, thirteen thousand, two hundred fifty-seven".