2222223191 has 2 divisors, whose sum is σ = 2222223192. Its totient is φ = 2222223190.

The previous prime is 2222223181. The next prime is 2222223217. The reversal of 2222223191 is 1913222222.

It is an a-pointer prime, because the next prime (2222223217) can be obtained adding 2222223191 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2222223191 - 2²² = 2218028887 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2222223191.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2222223181) 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, 1111111595 + 1111111596.

It is an arithmetic number, because the mean of its divisors is an integer number (1111111596).

Almost surely, 2^2222223191 is an apocalyptic number.

2222223191 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222223191 is an equidigital number, since it uses as much as digits as its factorization.

2222223191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 26.

The square root of 2222223191 is about 47140.4623545421. The cubic root of 2222223191 is about 1304.9560700214.

The spelling of 2222223191 in words is "two billion, two hundred twenty-two million, two hundred twenty-three thousand, one hundred ninety-one".