22223222312 has 16 divisors (see below), whose sum is σ = 41786588340. Its totient is φ = 11080132096.

The previous prime is 22223222291. The next prime is 22223222321. The reversal of 22223222312 is 21322232222.

It can be written as a sum of positive squares in 2 ways, for example, as 22223057476 + 164836 = 149074^2 + 406^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3931883 + ... + 3937530.

Almost surely, 2^22223222312 is an apocalyptic number.

It is an amenable number.

22223222312 is a deficient number, since it is larger than the sum of its proper divisors (19563366028).

22223222312 is a wasteful number, since it uses less digits than its factorization.

22223222312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7869772 (or 7869768 counting only the distinct ones).

The product of its digits is 2304, while the sum is 23.

Adding to 22223222312 its reverse (21322232222), we get a palindrome (43545454534).

The spelling of 22223222312 in words is "twenty-two billion, two hundred twenty-three million, two hundred twenty-two thousand, three hundred twelve".