22112823812 has 24 divisors (see below), whose sum is σ = 39316215456. Its totient is φ = 10880657408.

The previous prime is 22112823779. The next prime is 22112823839. The reversal of 22112823812 is 21832821122.

It is a super-2 number, since 2×22112823812² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44258 + ... + 214905.

It is an arithmetic number, because the mean of its divisors is an integer number (1638175644).

Almost surely, 2^22112823812 is an apocalyptic number.

It is an amenable number.

22112823812 is a deficient number, since it is larger than the sum of its proper divisors (17203391644).

22112823812 is a wasteful number, since it uses less digits than its factorization.

22112823812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259507 (or 259505 counting only the distinct ones).

The product of its digits is 6144, while the sum is 32.

The spelling of 22112823812 in words is "twenty-two billion, one hundred twelve million, eight hundred twenty-three thousand, eight hundred twelve".