22122222099617 has 2 divisors, whose sum is σ = 22122222099618. Its totient is φ = 22122222099616.

The previous prime is 22122222099611. The next prime is 22122222099673. The reversal of 22122222099617 is 71699022222122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21931575469456 + 190646630161 = 4683116^2 + 436631^2 .

It is a cyclic number.

It is not a de Polignac number, because 22122222099617 - 2¹⁰ = 22122222098593 is a prime.

It is not a weakly prime, because it can be changed into another prime (22122222099611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11061111049808 + 11061111049809.

It is an arithmetic number, because the mean of its divisors is an integer number (11061111049809).

Almost surely, 2^{22122222099617} is an apocalyptic number.

It is an amenable number.

22122222099617 is a deficient number, since it is larger than the sum of its proper divisors (1).

22122222099617 is an equidigital number, since it uses as much as digits as its factorization.

22122222099617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 47.

The spelling of 22122222099617 in words is "twenty-two trillion, one hundred twenty-two billion, two hundred twenty-two million, ninety-nine thousand, six hundred seventeen".