2265618 has 16 divisors (see below), whose sum is σ = 4574880. Its totient is φ = 747936.

The previous prime is 2265611. The next prime is 2265623. The reversal of 2265618 is 8165622.

It is not an unprimeable number, because it can be changed into a prime (2265611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1123 + ... + 2406.

It is an arithmetic number, because the mean of its divisors is an integer number (285930).

2^2265618 is an apocalyptic number.

2265618 is an abundant number, since it is smaller than the sum of its proper divisors (2309262).

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

2265618 is a wasteful number, since it uses less digits than its factorization.

2265618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3641.

The product of its digits is 5760, while the sum is 30.

The square root of 2265618 is about 1505.1969970738. The cubic root of 2265618 is about 131.3395615474.

The spelling of 2265618 in words is "two million, two hundred sixty-five thousand, six hundred eighteen".