22726243009 has 4 divisors (see below), whose sum is σ = 22727914240. Its totient is φ = 22724571780.

The previous prime is 22726242953. The next prime is 22726243049. The reversal of 22726243009 is 90034262722.

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 a cyclic number.

It is not a de Polignac number, because 22726243009 - 2⁷ = 22726242881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22726243049) 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, 815049 + ... + 842470.

It is an arithmetic number, because the mean of its divisors is an integer number (5681978560).

Almost surely, 2^22726243009 is an apocalyptic number.

It is an amenable number.

22726243009 is a deficient number, since it is larger than the sum of its proper divisors (1671231).

22726243009 is a wasteful number, since it uses less digits than its factorization.

22726243009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1671230.

The product of its (nonzero) digits is 72576, while the sum is 37.

The spelling of 22726243009 in words is "twenty-two billion, seven hundred twenty-six million, two hundred forty-three thousand, nine".