2002205 has 4 divisors (see below), whose sum is σ = 2402652. Its totient is φ = 1601760.

The previous prime is 2002199. The next prime is 2002207. The reversal of 2002205 is 5022002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5022002 = 2 ⋅2511001.

It can be written as a sum of positive squares in 2 ways, for example, as 649636 + 1352569 = 806^2 + 1163^2 .

It is not a de Polignac number, because 2002205 - 2¹² = 1998109 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 (2002207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200216 + ... + 200225.

It is an arithmetic number, because the mean of its divisors is an integer number (600663).

2^2002205 is an apocalyptic number.

It is an amenable number.

2002205 is a deficient number, since it is larger than the sum of its proper divisors (400447).

2002205 is an equidigital number, since it uses as much as digits as its factorization.

2002205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400446.

The product of its (nonzero) digits is 40, while the sum is 11.

The square root of 2002205 is about 1414.9929328445. The cubic root of 2002205 is about 126.0383900825.

Adding to 2002205 its reverse (5022002), we get a palindrome (7024207).

The spelling of 2002205 in words is "two million, two thousand, two hundred five".