13224444442231 has 4 divisors (see below), whose sum is σ = 14426666664264. Its totient is φ = 12022222220200.

The previous prime is 13224444442211. The next prime is 13224444442259.

13224444442231 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 13224444442231 - 2⁷ = 13224444442103 is a prime.

It is a super-2 number, since 2×13224444442231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13224444442211) 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, 601111111000 + ... + 601111111021.

It is an arithmetic number, because the mean of its divisors is an integer number (3606666666066).

Almost surely, 2^{13224444442231} is an apocalyptic number.

13224444442231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13224444442231 is a deficient number, since it is larger than the sum of its proper divisors (1202222222033).

13224444442231 is a wasteful number, since it uses less digits than its factorization.

13224444442231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1202222222032.

The product of its digits is 589824, while the sum is 40.

It can be divided in two parts, 1322444 and 4442231, that added together give a palindrome (5764675).

The spelling of 13224444442231 in words is "thirteen trillion, two hundred twenty-four billion, four hundred forty-four million, four hundred forty-two thousand, two hundred thirty-one".