2922191 has 2 divisors, whose sum is σ = 2922192. Its totient is φ = 2922190.

The previous prime is 2922167. The next prime is 2922203. The reversal of 2922191 is 1912292.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2922191 - 2¹⁴ = 2905807 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2922191.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2922121) 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, 1461095 + 1461096.

It is an arithmetic number, because the mean of its divisors is an integer number (1461096).

2^2922191 is an apocalyptic number.

2922191 is a deficient number, since it is larger than the sum of its proper divisors (1).

2922191 is an equidigital number, since it uses as much as digits as its factorization.

2922191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648, while the sum is 26.

The square root of 2922191 is about 1709.4417217326. The cubic root of 2922191 is about 142.9671302025.

It can be divided in two parts, 2922 and 191, that added together give a palindrome (3113).

The spelling of 2922191 in words is "two million, nine hundred twenty-two thousand, one hundred ninety-one".