220222100212 has 6 divisors (see below), whose sum is σ = 385388675378. Its totient is φ = 110111050104.

The previous prime is 220222100177. The next prime is 220222100243. The reversal of 220222100212 is 212001222022.

It can be written as a sum of positive squares in only one way, i.e., 218356205796 + 1865894416 = 467286^2 + 43196^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27527762523 + ... + 27527762530.

Almost surely, 2^220222100212 is an apocalyptic number.

It is an amenable number.

220222100212 is a deficient number, since it is larger than the sum of its proper divisors (165166575166).

220222100212 is a wasteful number, since it uses less digits than its factorization.

220222100212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55055525057 (or 55055525055 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 220222100212 its reverse (212001222022), we get a palindrome (432223322234).

The spelling of 220222100212 in words is "two hundred twenty billion, two hundred twenty-two million, one hundred thousand, two hundred twelve".