13224044001 has 72 divisors (see below), whose sum is σ = 21385033824. Its totient is φ = 7243689600.

The previous prime is 13224043979. The next prime is 13224044003. The reversal of 13224044001 is 10044042231.

13224044001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13224044001 - 2⁹ = 13224043489 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13224044003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 22003101 + ... + 22003701.

Almost surely, 2^13224044001 is an apocalyptic number.

It is an amenable number.

13224044001 is a deficient number, since it is larger than the sum of its proper divisors (8160989823).

13224044001 is an equidigital number, since it uses as much as digits as its factorization.

13224044001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779 (or 713 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 13224044001 its reverse (10044042231), we get a palindrome (23268086232).

The spelling of 13224044001 in words is "thirteen billion, two hundred twenty-four million, forty-four thousand, one".