22144441513 has 16 divisors (see below), whose sum is σ = 22982400000. Its totient is φ = 21314442240.

The previous prime is 22144441481. The next prime is 22144441523. The reversal of 22144441513 is 31514444122.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22144441513 - 2⁵ = 22144441481 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22144441523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9252645 + ... + 9255037.

It is an arithmetic number, because the mean of its divisors is an integer number (1436400000).

Almost surely, 2^22144441513 is an apocalyptic number.

It is an amenable number.

22144441513 is a deficient number, since it is larger than the sum of its proper divisors (837958487).

22144441513 is a wasteful number, since it uses less digits than its factorization.

22144441513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3912.

The product of its digits is 15360, while the sum is 31.

Adding to 22144441513 its reverse (31514444122), we get a palindrome (53658885635).

The spelling of 22144441513 in words is "twenty-two billion, one hundred forty-four million, four hundred forty-one thousand, five hundred thirteen".