13220311222 has 16 divisors (see below), whose sum is σ = 21006175392. Its totient is φ = 6218593920.

The previous prime is 13220311213. The next prime is 13220311259. The reversal of 13220311222 is 22211302231.

It is a self number, because there is not a number n which added to its sum of digits gives 13220311222.

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, 5553 + ... + 162700.

It is an arithmetic number, because the mean of its divisors is an integer number (1312885962).

Almost surely, 2^13220311222 is an apocalyptic number.

13220311222 is a deficient number, since it is larger than the sum of its proper divisors (7785864170).

13220311222 is a wasteful number, since it uses less digits than its factorization.

13220311222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170583.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 13220311222 its reverse (22211302231), we get a palindrome (35431613453).

The spelling of 13220311222 in words is "thirteen billion, two hundred twenty million, three hundred eleven thousand, two hundred twenty-two".