13423510331222 has 32 divisors (see below), whose sum is σ = 20792686780800. Its totient is φ = 6496227226368.

The previous prime is 13423510331219. The next prime is 13423510331237. The reversal of 13423510331222 is 22213301532431.

It is a super-2 number, since 2×13423510331222² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15216998 + ... + 16074950.

It is an arithmetic number, because the mean of its divisors is an integer number (649771461900).

Almost surely, 2^{13423510331222} is an apocalyptic number.

13423510331222 is a deficient number, since it is larger than the sum of its proper divisors (7369176449578).

13423510331222 is a wasteful number, since it uses less digits than its factorization.

13423510331222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860060.

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 13423510331222 its reverse (22213301532431), we get a palindrome (35636811863653).

The spelling of 13423510331222 in words is "thirteen trillion, four hundred twenty-three billion, five hundred ten million, three hundred thirty-one thousand, two hundred twenty-two".