13226662231 has 4 divisors (see below), whose sum is σ = 13236118000. Its totient is φ = 13217206464.

The previous prime is 13226662199. The next prime is 13226662321.

13226662231 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 13226662231 - 2⁵ = 13226662199 is a prime.

It is a super-2 number, since 2×13226662231² (a number of 21 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 (13226662531) 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 3 ways as a sum of consecutive naturals, for example, 4725786 + ... + 4728583.

It is an arithmetic number, because the mean of its divisors is an integer number (3309029500).

Almost surely, 2^13226662231 is an apocalyptic number.

13226662231 is a deficient number, since it is larger than the sum of its proper divisors (9455769).

13226662231 is an equidigital number, since it uses as much as digits as its factorization.

13226662231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9455768.

The product of its digits is 31104, while the sum is 34.

The spelling of 13226662231 in words is "thirteen billion, two hundred twenty-six million, six hundred sixty-two thousand, two hundred thirty-one".