22726732751 has 4 divisors (see below), whose sum is σ = 23922876600. Its totient is φ = 21530588904.

The previous prime is 22726732747. The next prime is 22726732753. The reversal of 22726732751 is 15723762722.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22726732751 - 2² = 22726732747 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 (22726732753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 598071896 + ... + 598071933.

It is an arithmetic number, because the mean of its divisors is an integer number (5980719150).

Almost surely, 2^22726732751 is an apocalyptic number.

22726732751 is a deficient number, since it is larger than the sum of its proper divisors (1196143849).

22726732751 is a wasteful number, since it uses less digits than its factorization.

22726732751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1196143848.

The product of its digits is 493920, while the sum is 44.

The spelling of 22726732751 in words is "twenty-two billion, seven hundred twenty-six million, seven hundred thirty-two thousand, seven hundred fifty-one".