12223031441 has 4 divisors (see below), whose sum is σ = 12232515300. Its totient is φ = 12213547584.

The previous prime is 12223031393. The next prime is 12223031477. The reversal of 12223031441 is 14413032221.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7886150416 + 4336881025 = 88804^2 + 65855^2 .

It is a cyclic number.

It is not a de Polignac number, because 12223031441 - 2¹⁸ = 12222769297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12223031741) 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, 4739996 + ... + 4742573.

It is an arithmetic number, because the mean of its divisors is an integer number (3058128825).

Almost surely, 2^12223031441 is an apocalyptic number.

It is an amenable number.

12223031441 is a deficient number, since it is larger than the sum of its proper divisors (9483859).

12223031441 is an equidigital number, since it uses as much as digits as its factorization.

12223031441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9483858.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 12223031441 its reverse (14413032221), we get a palindrome (26636063662).

The spelling of 12223031441 in words is "twelve billion, two hundred twenty-three million, thirty-one thousand, four hundred forty-one".