22775905513 has 2 divisors, whose sum is σ = 22775905514. Its totient is φ = 22775905512.

The previous prime is 22775905351. The next prime is 22775905547. The reversal of 22775905513 is 31550957722.

Together with previous prime (22775905351) 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., 12826242009 + 9949663504 = 113253^2 + 99748^2 .

It is a cyclic number.

It is not a de Polignac number, because 22775905513 - 2⁹ = 22775905001 is a prime.

It is not a weakly prime, because it can be changed into another prime (22775905213) 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, 11387952756 + 11387952757.

It is an arithmetic number, because the mean of its divisors is an integer number (11387952757).

Almost surely, 2^22775905513 is an apocalyptic number.

It is an amenable number.

22775905513 is a deficient number, since it is larger than the sum of its proper divisors (1).

22775905513 is an equidigital number, since it uses as much as digits as its factorization.

22775905513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 661500, while the sum is 46.

The spelling of 22775905513 in words is "twenty-two billion, seven hundred seventy-five million, nine hundred five thousand, five hundred thirteen".