13405215222 has 48 divisors (see below), whose sum is σ = 33216741792. Its totient is φ = 3827422080.

The previous prime is 13405215221. The next prime is 13405215233. The reversal of 13405215222 is 22251250431.

13405215222 is a `hidden beast` number, since 13 + 405 + 21 + 5 + 222 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13405215221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 150688 + ... + 222524.

It is an arithmetic number, because the mean of its divisors is an integer number (692015454).

Almost surely, 2^13405215222 is an apocalyptic number.

13405215222 is an abundant number, since it is smaller than the sum of its proper divisors (19811526570).

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

13405215222 is a wasteful number, since it uses less digits than its factorization.

13405215222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73333 (or 73330 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 13405215222 its reverse (22251250431), we get a palindrome (35656465653).

The spelling of 13405215222 in words is "thirteen billion, four hundred five million, two hundred fifteen thousand, two hundred twenty-two".