22098559391 has 2 divisors, whose sum is σ = 22098559392. Its totient is φ = 22098559390.

The previous prime is 22098559339. The next prime is 22098559397. The reversal of 22098559391 is 19395589022.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22098559391 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22098559397) 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, 11049279695 + 11049279696.

It is an arithmetic number, because the mean of its divisors is an integer number (11049279696).

Almost surely, 2^22098559391 is an apocalyptic number.

22098559391 is a deficient number, since it is larger than the sum of its proper divisors (1).

22098559391 is an equidigital number, since it uses as much as digits as its factorization.

22098559391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1749600, while the sum is 53.

The spelling of 22098559391 in words is "twenty-two billion, ninety-eight million, five hundred fifty-nine thousand, three hundred ninety-one".