13211255422 has 16 divisors (see below), whose sum is σ = 20349907200. Its totient is φ = 6428741760.

The previous prime is 13211255413. The next prime is 13211255443. The reversal of 13211255422 is 22455211231.

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 7 ways as a sum of consecutive naturals, for example, 163422 + ... + 230497.

It is an arithmetic number, because the mean of its divisors is an integer number (1271869200).

Almost surely, 2^13211255422 is an apocalyptic number.

13211255422 is a deficient number, since it is larger than the sum of its proper divisors (7138651778).

13211255422 is a wasteful number, since it uses less digits than its factorization.

13211255422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394371.

The product of its digits is 4800, while the sum is 28.

Adding to 13211255422 its reverse (22455211231), we get a palindrome (35666466653).

The spelling of 13211255422 in words is "thirteen billion, two hundred eleven million, two hundred fifty-five thousand, four hundred twenty-two".