13222304321066 has 4 divisors (see below), whose sum is σ = 19833456481602. Its totient is φ = 6611152160532.

The previous prime is 13222304321033. The next prime is 13222304321081. The reversal of 13222304321066 is 66012340322231.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 10168796211025 + 3053508110041 = 3188855^2 + 1747429^2 .

It is a super-2 number, since 2×13222304321066² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3305576080265 + ... + 3305576080268.

Almost surely, 2^{13222304321066} is an apocalyptic number.

13222304321066 is a deficient number, since it is larger than the sum of its proper divisors (6611152160536).

13222304321066 is an equidigital number, since it uses as much as digits as its factorization.

13222304321066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6611152160535.

The product of its (nonzero) digits is 62208, while the sum is 35.

Adding to 13222304321066 its reverse (66012340322231), we get a palindrome (79234644643297).

The spelling of 13222304321066 in words is "thirteen trillion, two hundred twenty-two billion, three hundred four million, three hundred twenty-one thousand, sixty-six".