22122232312 has 16 divisors (see below), whose sum is σ = 41945245200. Its totient is φ = 10936833600.

The previous prime is 22122232309. The next prime is 22122232331. The reversal of 22122232312 is 21323222122.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 15534564 + ... + 15535987.

It is an arithmetic number, because the mean of its divisors is an integer number (2621577825).

Almost surely, 2^22122232312 is an apocalyptic number.

It is an amenable number.

22122232312 is a deficient number, since it is larger than the sum of its proper divisors (19823012888).

22122232312 is a wasteful number, since it uses less digits than its factorization.

22122232312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31070646 (or 31070642 counting only the distinct ones).

The product of its digits is 1152, while the sum is 22.

Adding to 22122232312 its reverse (21323222122), we get a palindrome (43445454434).

The spelling of 22122232312 in words is "twenty-two billion, one hundred twenty-two million, two hundred thirty-two thousand, three hundred twelve".