2204173 has 2 divisors, whose sum is σ = 2204174. Its totient is φ = 2204172.

The previous prime is 2204161. The next prime is 2204177. The reversal of 2204173 is 3714022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1247689 + 956484 = 1117^2 + 978^2 .

It is a cyclic number.

It is not a de Polignac number, because 2204173 - 2⁹ = 2203661 is a prime.

It is a super-2 number, since 2×2204173² = 9716757227858, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2204173.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2204177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1102086 + 1102087.

It is an arithmetic number, because the mean of its divisors is an integer number (1102087).

2^2204173 is an apocalyptic number.

It is an amenable number.

2204173 is a deficient number, since it is larger than the sum of its proper divisors (1).

2204173 is an equidigital number, since it uses as much as digits as its factorization.

2204173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 2204173 is about 1484.6457489920. The cubic root of 2204173 is about 130.1413255964.

Adding to 2204173 its reverse (3714022), we get a palindrome (5918195).

The spelling of 2204173 in words is "two million, two hundred four thousand, one hundred seventy-three".