13223014421 has 4 divisors (see below), whose sum is σ = 13226368512. Its totient is φ = 13219660332.

The previous prime is 13223014373. The next prime is 13223014459. The reversal of 13223014421 is 12441032231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13223014421 is a prime.

It is a super-2 number, since 2×13223014421² (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 (13223014481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1671125 + ... + 1679018.

It is an arithmetic number, because the mean of its divisors is an integer number (3306592128).

Almost surely, 2^13223014421 is an apocalyptic number.

It is an amenable number.

13223014421 is a deficient number, since it is larger than the sum of its proper divisors (3354091).

13223014421 is an equidigital number, since it uses as much as digits as its factorization.

13223014421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3354090.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 13223014421 its reverse (12441032231), we get a palindrome (25664046652).

The spelling of 13223014421 in words is "thirteen billion, two hundred twenty-three million, fourteen thousand, four hundred twenty-one".