22132223012 has 6 divisors (see below), whose sum is σ = 38731390278. Its totient is φ = 11066111504.

The previous prime is 22132223011. The next prime is 22132223033. The reversal of 22132223012 is 21032223122.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 13545235456 + 8586987556 = 116384^2 + 92666^2 .

It is not an unprimeable number, because it can be changed into a prime (22132223011) by changing a digit.

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 as a sum of consecutive naturals, namely, 2766527873 + ... + 2766527880.

It is an arithmetic number, because the mean of its divisors is an integer number (6455231713).

Almost surely, 2^22132223012 is an apocalyptic number.

It is an amenable number.

22132223012 is a deficient number, since it is larger than the sum of its proper divisors (16599167266).

22132223012 is a wasteful number, since it uses less digits than its factorization.

22132223012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5533055757 (or 5533055755 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 22132223012 its reverse (21032223122), we get a palindrome (43164446134).

The spelling of 22132223012 in words is "twenty-two billion, one hundred thirty-two million, two hundred twenty-three thousand, twelve".