13022221303331 has 32 divisors (see below), whose sum is σ = 13913481922560. Its totient is φ = 12145311360000.

The previous prime is 13022221303279. The next prime is 13022221303339. The reversal of 13022221303331 is 13330312222031.

It is a de Polignac number, because none of the positive numbers 2^k-13022221303331 is a prime.

It is a super-2 number, since 2×13022221303331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13022221303331.

It is not an unprimeable number, because it can be changed into a prime (13022221303339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2244820631 + ... + 2244826431.

It is an arithmetic number, because the mean of its divisors is an integer number (434796310080).

Almost surely, 2^{13022221303331} is an apocalyptic number.

13022221303331 is a deficient number, since it is larger than the sum of its proper divisors (891260619229).

13022221303331 is a wasteful number, since it uses less digits than its factorization.

13022221303331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7955.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 13022221303331 its reverse (13330312222031), we get a palindrome (26352533525362).

The spelling of 13022221303331 in words is "thirteen trillion, twenty-two billion, two hundred twenty-one million, three hundred three thousand, three hundred thirty-one".