2268191 has 8 divisors (see below), whose sum is σ = 2506464. Its totient is φ = 2041600.

The previous prime is 2268143. The next prime is 2268193. The reversal of 2268191 is 1918622.

2268191 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2268191 - 2¹⁴ = 2251807 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2268193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2510 + ... + 3291.

It is an arithmetic number, because the mean of its divisors is an integer number (313308).

2^2268191 is an apocalyptic number.

2268191 is a deficient number, since it is larger than the sum of its proper divisors (238273).

2268191 is a wasteful number, since it uses less digits than its factorization.

2268191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5841.

The product of its digits is 1728, while the sum is 29.

The square root of 2268191 is about 1506.0514599442. The cubic root of 2268191 is about 131.3892623125.

The spelling of 2268191 in words is "two million, two hundred sixty-eight thousand, one hundred ninety-one".