22113222191 has 2 divisors, whose sum is σ = 22113222192. Its totient is φ = 22113222190.

The previous prime is 22113222167. The next prime is 22113222199. The reversal of 22113222191 is 19122231122.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22113222191 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22113222191.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22113222199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11056611095 + 11056611096.

It is an arithmetic number, because the mean of its divisors is an integer number (11056611096).

Almost surely, 2^22113222191 is an apocalyptic number.

22113222191 is a deficient number, since it is larger than the sum of its proper divisors (1).

22113222191 is an equidigital number, since it uses as much as digits as its factorization.

22113222191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 26.

The spelling of 22113222191 in words is "twenty-two billion, one hundred thirteen million, two hundred twenty-two thousand, one hundred ninety-one".