2222305612 has 12 divisors (see below), whose sum is σ = 4023139680. Its totient is φ = 1072837136.

The previous prime is 2222305601. The next prime is 2222305619. The reversal of 2222305612 is 2165032222.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2222305619) 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, 9578788 + ... + 9579019.

It is an arithmetic number, because the mean of its divisors is an integer number (335261640).

Almost surely, 2^2222305612 is an apocalyptic number.

It is an amenable number.

2222305612 is a deficient number, since it is larger than the sum of its proper divisors (1800834068).

2222305612 is a wasteful number, since it uses less digits than its factorization.

2222305612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19157840 (or 19157838 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 2222305612 is about 47141.3365529659. The cubic root of 2222305612 is about 1304.9722031826.

Adding to 2222305612 its reverse (2165032222), we get a palindrome (4387337834).

The spelling of 2222305612 in words is "two billion, two hundred twenty-two million, three hundred five thousand, six hundred twelve".