22126769812 has 24 divisors (see below), whose sum is σ = 44278403904. Its totient is φ = 9477573312.

The previous prime is 22126769801. The next prime is 22126769831. The reversal of 22126769812 is 21896762122.

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 7 ways as a sum of consecutive naturals, for example, 171073 + ... + 271144.

It is an arithmetic number, because the mean of its divisors is an integer number (1844933496).

Almost surely, 2^22126769812 is an apocalyptic number.

It is an amenable number.

22126769812 is an abundant number, since it is smaller than the sum of its proper divisors (22151634092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22126769812 is a wasteful number, since it uses less digits than its factorization.

22126769812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444015 (or 444013 counting only the distinct ones).

The product of its digits is 290304, while the sum is 46.

The spelling of 22126769812 in words is "twenty-two billion, one hundred twenty-six million, seven hundred sixty-nine thousand, eight hundred twelve".