2268091 has 8 divisors (see below), whose sum is σ = 2601440. Its totient is φ = 1937088.

The previous prime is 2268083. The next prime is 2268103. The reversal of 2268091 is 1908622.

It is a happy number.

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 2268091 - 2³ = 2268083 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2268001) 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 7 ways as a sum of consecutive naturals, for example, 2845 + ... + 3553.

It is an arithmetic number, because the mean of its divisors is an integer number (325180).

2^2268091 is an apocalyptic number.

2268091 is the 870-th hex number.

2268091 is a deficient number, since it is larger than the sum of its proper divisors (333349).

2268091 is an equidigital number, since it uses as much as digits as its factorization.

2268091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1173.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 2268091 is about 1506.0182601815. The cubic root of 2268091 is about 131.3873313876.

The spelling of 2268091 in words is "two million, two hundred sixty-eight thousand, ninety-one".