13022021322 has 32 divisors (see below), whose sum is σ = 29935684800. Its totient is φ = 4190994864.

The previous prime is 13022021291. The next prime is 13022021329. The reversal of 13022021322 is 22312022031.

13022021322 is a `hidden beast` number, since 1 + 302 + 20 + 21 + 322 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 13022021295 and 13022021304.

It is not an unprimeable number, because it can be changed into a prime (13022021329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4156168 + ... + 4159299.

It is an arithmetic number, because the mean of its divisors is an integer number (935490150).

Almost surely, 2^13022021322 is an apocalyptic number.

13022021322 is an abundant number, since it is smaller than the sum of its proper divisors (16913663478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13022021322 is a wasteful number, since it uses less digits than its factorization.

13022021322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8315507 (or 8315501 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 13022021322 its reverse (22312022031), we get a palindrome (35334043353).

The spelling of 13022021322 in words is "thirteen billion, twenty-two million, twenty-one thousand, three hundred twenty-two".