2268005 has 4 divisors (see below), whose sum is σ = 2721612. Its totient is φ = 1814400.

The previous prime is 2268001. The next prime is 2268031. The reversal of 2268005 is 5008622.

It is a happy number.

2268005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1249924 + 1018081 = 1118^2 + 1009^2 .

It is not a de Polignac number, because 2268005 - 2² = 2268001 is a prime.

It is a d-powerful number, because it can be written as 2⁷ + 2¹¹ + 6⁷ + 8⁵ + 0 + 0 + 5⁹ .

It is a Duffinian number.

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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226796 + ... + 226805.

It is an arithmetic number, because the mean of its divisors is an integer number (680403).

2^2268005 is an apocalyptic number.

It is an amenable number.

2268005 is a deficient number, since it is larger than the sum of its proper divisors (453607).

2268005 is an equidigital number, since it uses as much as digits as its factorization.

2268005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453606.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 2268005 is about 1505.9897078002. The cubic root of 2268005 is about 131.3856707468.

The spelling of 2268005 in words is "two million, two hundred sixty-eight thousand, five".