13222334021 has 4 divisors (see below), whose sum is σ = 14239436652. Its totient is φ = 12205231392.

The previous prime is 13222334003. The next prime is 13222334029. The reversal of 13222334021 is 12043322231.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8057037121 + 5165296900 = 89761^2 + 71870^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13222334021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13222334029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 508551296 + ... + 508551321.

It is an arithmetic number, because the mean of its divisors is an integer number (3559859163).

Almost surely, 2^13222334021 is an apocalyptic number.

It is an amenable number.

13222334021 is a deficient number, since it is larger than the sum of its proper divisors (1017102631).

13222334021 is a wasteful number, since it uses less digits than its factorization.

13222334021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017102630.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 13222334021 its reverse (12043322231), we get a palindrome (25265656252).

The spelling of 13222334021 in words is "thirteen billion, two hundred twenty-two million, three hundred thirty-four thousand, twenty-one".