4422191 has 2 divisors, whose sum is σ = 4422192. Its totient is φ = 4422190.

The previous prime is 4422169. The next prime is 4422211. The reversal of 4422191 is 1912244.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4422191 - 2⁶ = 4422127 is a prime.

It is a nialpdrome in base 13.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4422101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2211095 + 2211096.

It is an arithmetic number, because the mean of its divisors is an integer number (2211096).

Almost surely, 2^4422191 is an apocalyptic number.

4422191 is a deficient number, since it is larger than the sum of its proper divisors (1).

4422191 is an equidigital number, since it uses as much as digits as its factorization.

4422191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 576, while the sum is 23.

The square root of 4422191 is about 2102.9006158162. The cubic root of 4422191 is about 164.1392704533.

The spelling of 4422191 in words is "four million, four hundred twenty-two thousand, one hundred ninety-one".