22745320271 has 4 divisors (see below), whose sum is σ = 22751110344. Its totient is φ = 22739530200.

The previous prime is 22745320231. The next prime is 22745320307. The reversal of 22745320271 is 17202354722.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22745320271 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 (22745320231) 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 3 ways as a sum of consecutive naturals, for example, 2889140 + ... + 2897001.

It is an arithmetic number, because the mean of its divisors is an integer number (5687777586).

Almost surely, 2^22745320271 is an apocalyptic number.

22745320271 is a deficient number, since it is larger than the sum of its proper divisors (5790073).

22745320271 is an equidigital number, since it uses as much as digits as its factorization.

22745320271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5790072.

The product of its (nonzero) digits is 47040, while the sum is 35.

Adding to 22745320271 its reverse (17202354722), we get a palindrome (39947674993).

The spelling of 22745320271 in words is "twenty-two billion, seven hundred forty-five million, three hundred twenty thousand, two hundred seventy-one".