22147271841 has 16 divisors (see below), whose sum is σ = 30645596160. Its totient is φ = 14210152320.

The previous prime is 22147271837. The next prime is 22147271857. The reversal of 22147271841 is 14817274122.

It is not a de Polignac number, because 22147271841 - 2² = 22147271837 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22147271841.

It is not an unprimeable number, because it can be changed into a prime (22147271831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 379425 + ... + 433886.

It is an arithmetic number, because the mean of its divisors is an integer number (1915349760).

Almost surely, 2^22147271841 is an apocalyptic number.

It is an amenable number.

22147271841 is a deficient number, since it is larger than the sum of its proper divisors (8498324319).

22147271841 is a wasteful number, since it uses less digits than its factorization.

22147271841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813656.

The product of its digits is 50176, while the sum is 39.

The spelling of 22147271841 in words is "twenty-two billion, one hundred forty-seven million, two hundred seventy-one thousand, eight hundred forty-one".