13145343523222 has 16 divisors (see below), whose sum is σ = 20877967698192. Its totient is φ = 6186023518720.

The previous prime is 13145343523187. The next prime is 13145343523237. The reversal of 13145343523222 is 22232534354131.

It is a super-2 number, since 2×13145343523222² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16168398 + ... + 16961950.

It is an arithmetic number, because the mean of its divisors is an integer number (1304872981137).

Almost surely, 2^{13145343523222} is an apocalyptic number.

13145343523222 is a deficient number, since it is larger than the sum of its proper divisors (7732624174970).

13145343523222 is a wasteful number, since it uses less digits than its factorization.

13145343523222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280783.

The product of its digits is 518400, while the sum is 40.

Adding to 13145343523222 its reverse (22232534354131), we get a palindrome (35377877877353).

The spelling of 13145343523222 in words is "thirteen trillion, one hundred forty-five billion, three hundred forty-three million, five hundred twenty-three thousand, two hundred twenty-two".