2268918 has 16 divisors (see below), whose sum is σ = 5042160. Its totient is φ = 756288.

The previous prime is 2268887. The next prime is 2268919. The reversal of 2268918 is 8198622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2268919) 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, 20955 + ... + 21062.

It is an arithmetic number, because the mean of its divisors is an integer number (315135).

2^2268918 is an apocalyptic number.

2268918 is an abundant number, since it is smaller than the sum of its proper divisors (2773242).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2268918 is a wasteful number, since it uses less digits than its factorization.

2268918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42028 (or 42022 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 2268918 is about 1506.2928002218. The cubic root of 2268918 is about 131.4032984306.

The spelling of 2268918 in words is "two million, two hundred sixty-eight thousand, nine hundred eighteen".