22000627909 has 8 divisors (see below), whose sum is σ = 23937242840. Its totient is φ = 20098907136.

The previous prime is 22000627903. The next prime is 22000627933. The reversal of 22000627909 is 90972600022.

It can be written as a sum of positive squares in 4 ways, for example, as 418079809 + 21582548100 = 20447^2 + 146910^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22000627909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22000627903) by changing a digit.

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, 8722224 + ... + 8724745.

It is an arithmetic number, because the mean of its divisors is an integer number (2992155355).

Almost surely, 2^22000627909 is an apocalyptic number.

It is an amenable number.

22000627909 is a deficient number, since it is larger than the sum of its proper divisors (1936614931).

22000627909 is a wasteful number, since it uses less digits than its factorization.

22000627909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17447079.

The product of its (nonzero) digits is 27216, while the sum is 37.

The spelling of 22000627909 in words is "twenty-two billion, six hundred twenty-seven thousand, nine hundred nine".