22006345512 has 16 divisors (see below), whose sum is σ = 55015863840. Its totient is φ = 7335448496.

The previous prime is 22006345447. The next prime is 22006345541. The reversal of 22006345512 is 21554360022.

It is a self number, because there is not a number n which added to its sum of digits gives 22006345512.

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, 458465508 + ... + 458465555.

It is an arithmetic number, because the mean of its divisors is an integer number (3438491490).

Almost surely, 2^22006345512 is an apocalyptic number.

It is an amenable number.

22006345512 is an abundant number, since it is smaller than the sum of its proper divisors (33009518328).

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

22006345512 is a wasteful number, since it uses less digits than its factorization.

22006345512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916931072 (or 916931068 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The spelling of 22006345512 in words is "twenty-two billion, six million, three hundred forty-five thousand, five hundred twelve".