12222204304 has 20 divisors (see below), whose sum is σ = 24258095820. Its totient is φ = 5962050560.

The previous prime is 12222204277. The next prime is 12222204307. The reversal of 12222204304 is 40340222221.

It can be written as a sum of positive squares in 2 ways, for example, as 6499584400 + 5722619904 = 80620^2 + 75648^2 .

It is a super-2 number, since 2×12222204304² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12222204307) 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, 9315049 + ... + 9316360.

It is an arithmetic number, because the mean of its divisors is an integer number (1212904791).

Almost surely, 2^12222204304 is an apocalyptic number.

It is an amenable number.

12222204304 is a deficient number, since it is larger than the sum of its proper divisors (12035891516).

12222204304 is a wasteful number, since it uses less digits than its factorization.

12222204304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18631458 (or 18631452 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 12222204304 its reverse (40340222221), we get a palindrome (52562426525).

The spelling of 12222204304 in words is "twelve billion, two hundred twenty-two million, two hundred four thousand, three hundred four".