22209999999 has 24 divisors (see below), whose sum is σ = 32596480560. Its totient is φ = 13441464960.

The previous prime is 22209999989. The next prime is 22210000009. The reversal of 22209999999 is 99999990222.

It is an interprime number because it is at equal distance from previous prime (22209999989) and next prime (22210000009).

It is not a de Polignac number, because 22209999999 - 2⁴ = 22209999983 is a prime.

22209999999 is a modest number, since divided by 999999 gives 22209 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22209999919) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 214219 + ... + 300515.

It is an arithmetic number, because the mean of its divisors is an integer number (1358186690).

Almost surely, 2^22209999999 is an apocalyptic number.

22209999999 is a deficient number, since it is larger than the sum of its proper divisors (10386480561).

22209999999 is a wasteful number, since it uses less digits than its factorization.

22209999999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87031 (or 87020 counting only the distinct ones).

The product of its (nonzero) digits is 38263752, while the sum is 69.

The spelling of 22209999999 in words is "twenty-two billion, two hundred nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine".