13502531442222 has 48 divisors (see below), whose sum is σ = 30168019215360. Its totient is φ = 4362313373136.

The previous prime is 13502531442209. The next prime is 13502531442329. The reversal of 13502531442222 is 22224413520531.

13502531442222 is a `hidden beast` number, since 1 + 3 + 502 + 5 + 3 + 144 + 2 + 2 + 2 + 2 = 666.

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 23 ways as a sum of consecutive naturals, for example, 77390722 + ... + 77564997.

It is an arithmetic number, because the mean of its divisors is an integer number (628500400320).

Almost surely, 2^{13502531442222} is an apocalyptic number.

13502531442222 is an abundant number, since it is smaller than the sum of its proper divisors (16665487773138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13502531442222 is a wasteful number, since it uses less digits than its factorization.

13502531442222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154955877 (or 154955874 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 13502531442222 its reverse (22224413520531), we get a palindrome (35726944962753).

The spelling of 13502531442222 in words is "thirteen trillion, five hundred two billion, five hundred thirty-one million, four hundred forty-two thousand, two hundred twenty-two".