22102257193 has 2 divisors, whose sum is σ = 22102257194. Its totient is φ = 22102257192.

The previous prime is 22102257179. The next prime is 22102257223. The reversal of 22102257193 is 39175220122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15587023104 + 6515234089 = 124848^2 + 80717^2 .

It is a cyclic number.

It is not a de Polignac number, because 22102257193 - 2⁹ = 22102256681 is a prime.

It is not a weakly prime, because it can be changed into another prime (22102257143) 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, 11051128596 + 11051128597.

It is an arithmetic number, because the mean of its divisors is an integer number (11051128597).

Almost surely, 2^22102257193 is an apocalyptic number.

It is an amenable number.

22102257193 is a deficient number, since it is larger than the sum of its proper divisors (1).

22102257193 is an equidigital number, since it uses as much as digits as its factorization.

22102257193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 34.

The spelling of 22102257193 in words is "twenty-two billion, one hundred two million, two hundred fifty-seven thousand, one hundred ninety-three".