13220212222 has 16 divisors (see below), whose sum is σ = 22666497120. Its totient is φ = 5664986208.

The previous prime is 13220212219. The next prime is 13220212289. The reversal of 13220212222 is 22221202231.

It is a super-2 number, since 2×13220212222² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13220212222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37728 + ... + 166924.

It is an arithmetic number, because the mean of its divisors is an integer number (1416656070).

Almost surely, 2^13220212222 is an apocalyptic number.

13220212222 is a deficient number, since it is larger than the sum of its proper divisors (9446284898).

13220212222 is a wasteful number, since it uses less digits than its factorization.

13220212222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136515.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 13220212222 its reverse (22221202231), we get a palindrome (35441414453).

Subtracting 13220212222 from its reverse (22221202231), we obtain a palindrome (9000990009).

The spelling of 13220212222 in words is "thirteen billion, two hundred twenty million, two hundred twelve thousand, two hundred twenty-two".