13405504222522 has 16 divisors (see below), whose sum is σ = 20224831828320. Its totient is φ = 6663894926832.

The previous prime is 13405504222489. The next prime is 13405504222541. The reversal of 13405504222522 is 22522240550431.

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, 22380913 + ... + 22972075.

It is an arithmetic number, because the mean of its divisors is an integer number (1264051989270).

Almost surely, 2^{13405504222522} is an apocalyptic number.

13405504222522 is a deficient number, since it is larger than the sum of its proper divisors (6819327605798).

13405504222522 is a wasteful number, since it uses less digits than its factorization.

13405504222522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656877.

The product of its (nonzero) digits is 192000, while the sum is 37.

Adding to 13405504222522 its reverse (22522240550431), we get a palindrome (35927744772953).

The spelling of 13405504222522 in words is "thirteen trillion, four hundred five billion, five hundred four million, two hundred twenty-two thousand, five hundred twenty-two".