13220122232 has 16 divisors (see below), whose sum is σ = 24850172760. Its totient is φ = 6593409504.

The previous prime is 13220122187. The next prime is 13220122247. The reversal of 13220122232 is 23222102231.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2078078 + ... + 2084429.

Almost surely, 2^13220122232 is an apocalyptic number.

It is an amenable number.

13220122232 is a deficient number, since it is larger than the sum of its proper divisors (11630050528).

13220122232 is a wasteful number, since it uses less digits than its factorization.

13220122232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4162910 (or 4162906 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 13220122232 its reverse (23222102231), we get a palindrome (36442224463).

The spelling of 13220122232 in words is "thirteen billion, two hundred twenty million, one hundred twenty-two thousand, two hundred thirty-two".