2256618 has 32 divisors (see below), whose sum is σ = 5556096. Its totient is φ = 595008.

The previous prime is 2256613. The next prime is 2256619. The reversal of 2256618 is 8166522.

2256618 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

2256618 is strictly pandigital in base 8.

It is not an unprimeable number, because it can be changed into a prime (2256613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1521 + ... + 2612.

It is an arithmetic number, because the mean of its divisors is an integer number (173628).

2^2256618 is an apocalyptic number.

2256618 is an abundant number, since it is smaller than the sum of its proper divisors (3299478).

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

2256618 is a wasteful number, since it uses less digits than its factorization.

2256618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4158.

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

The square root of 2256618 is about 1502.2043802359. The cubic root of 2256618 is about 131.1654185207.

The spelling of 2256618 in words is "two million, two hundred fifty-six thousand, six hundred eighteen".