22265510324257 has 2 divisors, whose sum is σ = 22265510324258. Its totient is φ = 22265510324256.

The previous prime is 22265510324203. The next prime is 22265510324269. The reversal of 22265510324257 is 75242301556222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21778126223616 + 487384100641 = 4666704^2 + 698129^2 .

It is a cyclic number.

It is not a de Polignac number, because 22265510324257 - 2⁷ = 22265510324129 is a prime.

It is not a weakly prime, because it can be changed into another prime (22265510324557) 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, 11132755162128 + 11132755162129.

It is an arithmetic number, because the mean of its divisors is an integer number (11132755162129).

Almost surely, 2^{22265510324257} is an apocalyptic number.

It is an amenable number.

22265510324257 is a deficient number, since it is larger than the sum of its proper divisors (1).

22265510324257 is an equidigital number, since it uses as much as digits as its factorization.

22265510324257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016000, while the sum is 46.

The spelling of 22265510324257 in words is "twenty-two trillion, two hundred sixty-five billion, five hundred ten million, three hundred twenty-four thousand, two hundred fifty-seven".