2208618 has 12 divisors (see below), whose sum is σ = 4785378. Its totient is φ = 736200.

The previous prime is 2208601. The next prime is 2208637. The reversal of 2208618 is 8168022.

2208618 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1292769 + 915849 = 1137^2 + 957^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2208591 and 2208600.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 61333 + ... + 61368.

2^2208618 is an apocalyptic number.

2208618 is an abundant number, since it is smaller than the sum of its proper divisors (2576760).

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

2208618 is a wasteful number, since it uses less digits than its factorization.

2208618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122709 (or 122706 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 2208618 is about 1486.1419851414. The cubic root of 2208618 is about 130.2287491287.

The spelling of 2208618 in words is "two million, two hundred eight thousand, six hundred eighteen".