22103112309 has 24 divisors (see below), whose sum is σ = 32620133952. Its totient is φ = 13265619840.

The previous prime is 22103112299. The next prime is 22103112331. The reversal of 22103112309 is 90321130122.

It is not a de Polignac number, because 22103112309 - 2⁷ = 22103112181 is a prime.

It is a super-2 number, since 2×22103112309² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22103112349) 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 23 ways as a sum of consecutive naturals, for example, 382657 + ... + 436614.

It is an arithmetic number, because the mean of its divisors is an integer number (1359172248).

Almost surely, 2^22103112309 is an apocalyptic number.

It is an amenable number.

22103112309 is a deficient number, since it is larger than the sum of its proper divisors (10517021643).

22103112309 is a wasteful number, since it uses less digits than its factorization.

22103112309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819337 (or 819314 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The spelling of 22103112309 in words is "twenty-two billion, one hundred three million, one hundred twelve thousand, three hundred nine".