2280091 has 16 divisors (see below), whose sum is σ = 2682720. Its totient is φ = 1914880.

The previous prime is 2280079. The next prime is 2280097. The reversal of 2280091 is 1900822.

2280091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-2280091 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 (2280097) 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 15 ways as a sum of consecutive naturals, for example, 16575 + ... + 16711.

It is an arithmetic number, because the mean of its divisors is an integer number (167670).

2^2280091 is an apocalyptic number.

2280091 is a deficient number, since it is larger than the sum of its proper divisors (402629).

2280091 is a wasteful number, since it uses less digits than its factorization.

2280091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 2280091 is about 1509.9970198646. The cubic root of 2280091 is about 131.6186383249.

The spelling of 2280091 in words is "two million, two hundred eighty thousand, ninety-one".