538222226513 has 2 divisors, whose sum is σ = 538222226514. Its totient is φ = 538222226512.

The previous prime is 538222226501. The next prime is 538222226543. The reversal of 538222226513 is 315622222835.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 538135214929 + 87011584 = 733577^2 + 9328^2 .

It is a cyclic number.

It is not a de Polignac number, because 538222226513 - 2²⁴ = 538205449297 is a prime.

It is a super-2 number, since 2×538222226513² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (538222226543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269111113256 + 269111113257.

It is an arithmetic number, because the mean of its divisors is an integer number (269111113257).

Almost surely, 2^538222226513 is an apocalyptic number.

It is an amenable number.

538222226513 is a deficient number, since it is larger than the sum of its proper divisors (1).

538222226513 is an equidigital number, since it uses as much as digits as its factorization.

538222226513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 345600, while the sum is 41.

The spelling of 538222226513 in words is "five hundred thirty-eight billion, two hundred twenty-two million, two hundred twenty-six thousand, five hundred thirteen".