13542231222 has 24 divisors (see below), whose sum is σ = 31598540064. Its totient is φ = 4166840304.

The previous prime is 13542231191. The next prime is 13542231233. The reversal of 13542231222 is 22213224531.

13542231222 is a `hidden beast` number, since 13 + 5 + 422 + 3 + 1 + 222 = 666.

13542231222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13542231222² (a number of 21 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 (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28936158 + ... + 28936625.

It is an arithmetic number, because the mean of its divisors is an integer number (1316605836).

Almost surely, 2^13542231222 is an apocalyptic number.

13542231222 is an abundant number, since it is smaller than the sum of its proper divisors (18056308842).

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

13542231222 is a wasteful number, since it uses less digits than its factorization.

13542231222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57872804 (or 57872801 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

Adding to 13542231222 its reverse (22213224531), we get a palindrome (35755455753).

The spelling of 13542231222 in words is "thirteen billion, five hundred forty-two million, two hundred thirty-one thousand, two hundred twenty-two".