12223250443 has 4 divisors (see below), whose sum is σ = 12223506280. Its totient is φ = 12222994608.

The previous prime is 12223250437. The next prime is 12223250453. The reversal of 12223250443 is 34405232221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34405232221 = 8699 ⋅3955079.

It is a cyclic number.

It is not a de Polignac number, because 12223250443 - 2¹⁷ = 12223119371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12223250453) 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, 32553 + ... + 159706.

It is an arithmetic number, because the mean of its divisors is an integer number (3055876570).

Almost surely, 2^12223250443 is an apocalyptic number.

12223250443 is a deficient number, since it is larger than the sum of its proper divisors (255837).

12223250443 is an equidigital number, since it uses as much as digits as its factorization.

12223250443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255836.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 12223250443 its reverse (34405232221), we get a palindrome (46628482664).

The spelling of 12223250443 in words is "twelve billion, two hundred twenty-three million, two hundred fifty thousand, four hundred forty-three".