12223443291 has 16 divisors (see below), whose sum is σ = 16468347168. Its totient is φ = 8063840000.

The previous prime is 12223443179. The next prime is 12223443293. The reversal of 12223443291 is 19234432221.

It is not a de Polignac number, because 12223443291 - 2⁷ = 12223443163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12223443293) 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, 594991 + ... + 615191.

It is an arithmetic number, because the mean of its divisors is an integer number (1029271698).

Almost surely, 2^12223443291 is an apocalyptic number.

12223443291 is a deficient number, since it is larger than the sum of its proper divisors (4244903877).

12223443291 is a wasteful number, since it uses less digits than its factorization.

12223443291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22302.

The product of its digits is 20736, while the sum is 33.

The spelling of 12223443291 in words is "twelve billion, two hundred twenty-three million, four hundred forty-three thousand, two hundred ninety-one".