2244191 has 4 divisors (see below), whose sum is σ = 2253384. Its totient is φ = 2235000.

The previous prime is 2244173. The next prime is 2244199. The reversal of 2244191 is 1914422.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1914422 = 2 ⋅957211.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2244191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2244199) 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 in 3 ways as a sum of consecutive naturals, for example, 4220 + ... + 4721.

It is an arithmetic number, because the mean of its divisors is an integer number (563346).

2^2244191 is an apocalyptic number.

2244191 is a deficient number, since it is larger than the sum of its proper divisors (9193).

2244191 is an equidigital number, since it uses as much as digits as its factorization.

2244191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9192.

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

The square root of 2244191 is about 1498.0624152551. The cubic root of 2244191 is about 130.9242029908.

The spelling of 2244191 in words is "two million, two hundred forty-four thousand, one hundred ninety-one".