22006444660 has 24 divisors (see below), whose sum is σ = 46217638656. Its totient is φ = 8801796000.

The previous prime is 22006444639. The next prime is 22006444667. The reversal of 22006444660 is 6644460022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22006444667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217285 + ... + 302035.

It is an arithmetic number, because the mean of its divisors is an integer number (1925734944).

Almost surely, 2^22006444660 is an apocalyptic number.

22006444660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22006444660 is an abundant number, since it is smaller than the sum of its proper divisors (24211193996).

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

22006444660 is a wasteful number, since it uses less digits than its factorization.

22006444660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97743 (or 97741 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 34.

The spelling of 22006444660 in words is "twenty-two billion, six million, four hundred forty-four thousand, six hundred sixty".