13221240322 has 8 divisors (see below), whose sum is σ = 19843980156. Its totient is φ = 6606580272.

The previous prime is 13221240299. The next prime is 13221240353. The reversal of 13221240322 is 22304212231.

It can be written as a sum of positive squares in 2 ways, for example, as 13220630361 + 609961 = 114981^2 + 781^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×13221240322³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13221240293 and 13221240302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2015853 + ... + 2022400.

Almost surely, 2^13221240322 is an apocalyptic number.

13221240322 is a deficient number, since it is larger than the sum of its proper divisors (6622739834).

13221240322 is a wasteful number, since it uses less digits than its factorization.

13221240322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4039892.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 13221240322 its reverse (22304212231), we get a palindrome (35525452553).

The spelling of 13221240322 in words is "thirteen billion, two hundred twenty-one million, two hundred forty thousand, three hundred twenty-two".