2222222221205 has 16 divisors (see below), whose sum is σ = 3047814174720. Its totient is φ = 1523711958912.

The previous prime is 2222222221181. The next prime is 2222222221207. The reversal of 2222222221205 is 5021222222222.

It is a cyclic number.

It is not a de Polignac number, because 2222222221205 - 2³⁸ = 1947344314261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222222221207) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1475984 + ... + 2573513.

It is an arithmetic number, because the mean of its divisors is an integer number (190488385920).

Almost surely, 2^{2222222221205} is an apocalyptic number.

It is an amenable number.

2222222221205 is a deficient number, since it is larger than the sum of its proper divisors (825591953515).

2222222221205 is a wasteful number, since it uses less digits than its factorization.

2222222221205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4065188.

The product of its (nonzero) digits is 5120, while the sum is 26.

Adding to 2222222221205 its reverse (5021222222222), we get a palindrome (7243444443427).

The spelling of 2222222221205 in words is "two trillion, two hundred twenty-two billion, two hundred twenty-two million, two hundred twenty-one thousand, two hundred five".