2204618 has 8 divisors (see below), whose sum is σ = 3561348. Its totient is φ = 1017504.

The previous prime is 2204603. The next prime is 2204623. The reversal of 2204618 is 8164022.

It can be written as a sum of positive squares in 2 ways, for example, as 2199289 + 5329 = 1483^2 + 73^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2204593 and 2204602.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42371 + ... + 42422.

2^2204618 is an apocalyptic number.

2204618 is a deficient number, since it is larger than the sum of its proper divisors (1356730).

2204618 is a wasteful number, since it uses less digits than its factorization.

2204618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84808.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 2204618 is about 1484.7956088297. The cubic root of 2204618 is about 130.1500830749.

The spelling of 2204618 in words is "two million, two hundred four thousand, six hundred eighteen".