1322220342331 has 24 divisors (see below), whose sum is σ = 1540429029216. Its totient is φ = 1131611644800.

The previous prime is 1322220342329. The next prime is 1322220342353. The reversal of 1322220342331 is 1332430222231.

It is not a de Polignac number, because 1322220342331 - 2¹ = 1322220342329 is a prime.

It is a super-2 number, since 2×1322220342331² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1322220342331.

It is not an unprimeable number, because it can be changed into a prime (1322220342031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 130250106 + ... + 130260256.

It is an arithmetic number, because the mean of its divisors is an integer number (64184542884).

Almost surely, 2^{1322220342331} is an apocalyptic number.

1322220342331 is a deficient number, since it is larger than the sum of its proper divisors (218208686885).

1322220342331 is a wasteful number, since it uses less digits than its factorization.

1322220342331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13939 (or 13932 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 1322220342331 its reverse (1332430222231), we get a palindrome (2654650564562).

The spelling of 1322220342331 in words is "one trillion, three hundred twenty-two billion, two hundred twenty million, three hundred forty-two thousand, three hundred thirty-one".