2204613 has 6 divisors (see below), whose sum is σ = 3184454. Its totient is φ = 1469736.

The previous prime is 2204603. The next prime is 2204623. The reversal of 2204613 is 3164022.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2204603) and next prime (2204623).

It can be written as a sum of positive squares in only one way, i.e., 1361889 + 842724 = 1167^2 + 918^2 .

It is not a de Polignac number, because 2204613 - 2⁴ = 2204597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2204603) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 122470 + ... + 122487.

2^2204613 is an apocalyptic number.

It is an amenable number.

2204613 is a deficient number, since it is larger than the sum of its proper divisors (979841).

2204613 is a wasteful number, since it uses less digits than its factorization.

2204613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244963 (or 244960 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2204613 is about 1484.7939250953. The cubic root of 2204613 is about 130.1499846828.

Adding to 2204613 its reverse (3164022), we get a palindrome (5368635).

The spelling of 2204613 in words is "two million, two hundred four thousand, six hundred thirteen".