13034442221 has 8 divisors (see below), whose sum is σ = 13192515000. Its totient is φ = 12876853248.

The previous prime is 13034442199. The next prime is 13034442331. The reversal of 13034442221 is 12224443031.

It can be written as a sum of positive squares in 4 ways, for example, as 262278025 + 12772164196 = 16195^2 + 113014^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13034442221 - 2¹⁴ = 13034425837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13034442721) 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 7 ways as a sum of consecutive naturals, for example, 66596 + ... + 174653.

It is an arithmetic number, because the mean of its divisors is an integer number (1649064375).

Almost surely, 2^13034442221 is an apocalyptic number.

It is an amenable number.

13034442221 is a deficient number, since it is larger than the sum of its proper divisors (158072779).

13034442221 is an equidigital number, since it uses as much as digits as its factorization.

13034442221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241903.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 13034442221 its reverse (12224443031), we get a palindrome (25258885252).

The spelling of 13034442221 in words is "thirteen billion, thirty-four million, four hundred forty-two thousand, two hundred twenty-one".