13222329985 has 4 divisors (see below), whose sum is σ = 15866795988. Its totient is φ = 10577863984.

The previous prime is 13222329979. The next prime is 13222330013. The reversal of 13222329985 is 58992322231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58992322231 = 739 ⋅79827229.

It can be written as a sum of positive squares in 2 ways, for example, as 9280624896 + 3941705089 = 96336^2 + 62783^2 .

It is a cyclic number.

It is not a de Polignac number, because 13222329985 - 2¹³ = 13222321793 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1322232994 + ... + 1322233003.

It is an arithmetic number, because the mean of its divisors is an integer number (3966698997).

Almost surely, 2^13222329985 is an apocalyptic number.

It is an amenable number.

13222329985 is a deficient number, since it is larger than the sum of its proper divisors (2644466003).

13222329985 is an equidigital number, since it uses as much as digits as its factorization.

13222329985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2644466002.

The product of its digits is 466560, while the sum is 46.

The spelling of 13222329985 in words is "thirteen billion, two hundred twenty-two million, three hundred twenty-nine thousand, nine hundred eighty-five".