22066374349 has 2 divisors, whose sum is σ = 22066374350. Its totient is φ = 22066374348.

The previous prime is 22066374287. The next prime is 22066374377. The reversal of 22066374349 is 94347366022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20006122249 + 2060252100 = 141443^2 + 45390^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22066374349 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22066374299 and 22066374308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22066374149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11033187174 + 11033187175.

It is an arithmetic number, because the mean of its divisors is an integer number (11033187175).

Almost surely, 2^22066374349 is an apocalyptic number.

It is an amenable number.

22066374349 is a deficient number, since it is larger than the sum of its proper divisors (1).

22066374349 is an equidigital number, since it uses as much as digits as its factorization.

22066374349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1306368, while the sum is 46.

The spelling of 22066374349 in words is "twenty-two billion, sixty-six million, three hundred seventy-four thousand, three hundred forty-nine".