22708108261 has 2 divisors, whose sum is σ = 22708108262. Its totient is φ = 22708108260.

The previous prime is 22708108253. The next prime is 22708108279. The reversal of 22708108261 is 16280180722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15732684900 + 6975423361 = 125430^2 + 83519^2 .

It is a cyclic number.

It is not a de Polignac number, because 22708108261 - 2³ = 22708108253 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22708108261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22708103261) 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, 11354054130 + 11354054131.

It is an arithmetic number, because the mean of its divisors is an integer number (11354054131).

Almost surely, 2^22708108261 is an apocalyptic number.

It is an amenable number.

22708108261 is a deficient number, since it is larger than the sum of its proper divisors (1).

22708108261 is an equidigital number, since it uses as much as digits as its factorization.

22708108261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 37.

Adding to 22708108261 its reverse (16280180722), we get a palindrome (38988288983).

The spelling of 22708108261 in words is "twenty-two billion, seven hundred eight million, one hundred eight thousand, two hundred sixty-one".