3822191 has 2 divisors, whose sum is σ = 3822192. Its totient is φ = 3822190.

The previous prime is 3822167. The next prime is 3822223. The reversal of 3822191 is 1912283.

It is a weak prime.

It is an emirp because it is prime and its reverse (1912283) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3822191 - 2¹⁸ = 3560047 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3822191.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3822491) 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, 1911095 + 1911096.

It is an arithmetic number, because the mean of its divisors is an integer number (1911096).

Almost surely, 2^3822191 is an apocalyptic number.

3822191 is a deficient number, since it is larger than the sum of its proper divisors (1).

3822191 is an equidigital number, since it uses as much as digits as its factorization.

3822191 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 square root of 3822191 is about 1955.0424547820. The cubic root of 3822191 is about 156.3522475296.

The spelling of 3822191 in words is "three million, eight hundred twenty-two thousand, one hundred ninety-one".