22635268909 has 4 divisors (see below), whose sum is σ = 24693020640. Its totient is φ = 20577517180.

The previous prime is 22635268871. The next prime is 22635268913. The reversal of 22635268909 is 90986253622.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 22635268909 - 2⁷ = 22635268781 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 (22635268939) 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 3 ways as a sum of consecutive naturals, for example, 1028875849 + ... + 1028875870.

It is an arithmetic number, because the mean of its divisors is an integer number (6173255160).

Almost surely, 2^22635268909 is an apocalyptic number.

It is an amenable number.

22635268909 is a deficient number, since it is larger than the sum of its proper divisors (2057751731).

22635268909 is a wasteful number, since it uses less digits than its factorization.

22635268909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2057751730.

The product of its (nonzero) digits is 2799360, while the sum is 52.

The spelling of 22635268909 in words is "twenty-two billion, six hundred thirty-five million, two hundred sixty-eight thousand, nine hundred nine".