105440222291 has 2 divisors, whose sum is σ = 105440222292. Its totient is φ = 105440222290.

The previous prime is 105440222267. The next prime is 105440222347. The reversal of 105440222291 is 192222044501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105440222291 - 2³⁴ = 88260353107 is a prime.

It is a super-2 number, since 2×105440222291² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (105440222231) 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, 52720111145 + 52720111146.

It is an arithmetic number, because the mean of its divisors is an integer number (52720111146).

Almost surely, 2^105440222291 is an apocalyptic number.

105440222291 is a deficient number, since it is larger than the sum of its proper divisors (1).

105440222291 is an equidigital number, since it uses as much as digits as its factorization.

105440222291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 32.

Adding to 105440222291 its reverse (192222044501), we get a palindrome (297662266792).

The spelling of 105440222291 in words is "one hundred five billion, four hundred forty million, two hundred twenty-two thousand, two hundred ninety-one".