22000011309 has 24 divisors (see below), whose sum is σ = 33066289152. Its totient is φ = 14083761120.

The previous prime is 22000011283. The next prime is 22000011317. The reversal of 22000011309 is 90311000022.

It is a happy number.

It is not a de Polignac number, because 22000011309 - 2¹² = 22000007213 is a prime.

It is a super-2 number, since 2×22000011309² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22000011291 and 22000011300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22000011109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 468237 + ... + 513074.

It is an arithmetic number, because the mean of its divisors is an integer number (1377762048).

Almost surely, 2^22000011309 is an apocalyptic number.

It is an amenable number.

22000011309 is a deficient number, since it is larger than the sum of its proper divisors (11066277843).

22000011309 is a wasteful number, since it uses less digits than its factorization.

22000011309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981417 (or 981414 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The spelling of 22000011309 in words is "twenty-two billion, eleven thousand, three hundred nine".