13220044223 has 8 divisors (see below), whose sum is σ = 13560990576. Its totient is φ = 12879979200.

The previous prime is 13220044207. The next prime is 13220044261. The reversal of 13220044223 is 32244002231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13220044223 - 2⁴ = 13220044207 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 (13220044823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189893 + ... + 249998.

It is an arithmetic number, because the mean of its divisors is an integer number (1695123822).

Almost surely, 2^13220044223 is an apocalyptic number.

13220044223 is a deficient number, since it is larger than the sum of its proper divisors (340946353).

13220044223 is an equidigital number, since it uses as much as digits as its factorization.

13220044223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440665.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 13220044223 its reverse (32244002231), we get a palindrome (45464046454).

The spelling of 13220044223 in words is "thirteen billion, two hundred twenty million, forty-four thousand, two hundred twenty-three".