2205121326 has 16 divisors (see below), whose sum is σ = 4552508928. Its totient is φ = 711329400.

The previous prime is 2205121319. The next prime is 2205121333. The reversal of 2205121326 is 6231215022.

It is an interprime number because it is at equal distance from previous prime (2205121319) and next prime (2205121333).

It is a junction number, because it is equal to n+sod(n) for n = 2205121296 and 2205121305.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5927560 + ... + 5927931.

It is an arithmetic number, because the mean of its divisors is an integer number (284531808).

Almost surely, 2^2205121326 is an apocalyptic number.

2205121326 is an abundant number, since it is smaller than the sum of its proper divisors (2347387602).

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

2205121326 is a wasteful number, since it uses less digits than its factorization.

2205121326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11855527.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2205121326 is about 46958.7193820274. The cubic root of 2205121326 is about 1301.5998697299.

Adding to 2205121326 its reverse (6231215022), we get a palindrome (8436336348).

The spelling of 2205121326 in words is "two billion, two hundred five million, one hundred twenty-one thousand, three hundred twenty-six".