2280191 has 2 divisors, whose sum is σ = 2280192. Its totient is φ = 2280190.

The previous prime is 2280169. The next prime is 2280203. The reversal of 2280191 is 1910822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2280191 - 2⁶ = 2280127 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2283191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1140095 + 1140096.

It is an arithmetic number, because the mean of its divisors is an integer number (1140096).

2^2280191 is an apocalyptic number.

2280191 is a deficient number, since it is larger than the sum of its proper divisors (1).

2280191 is an equidigital number, since it uses as much as digits as its factorization.

2280191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 2280191 is about 1510.0301321497. The cubic root of 2280191 is about 131.6205624691.

The spelling of 2280191 in words is "two million, two hundred eighty thousand, one hundred ninety-one".