222120221222 has 32 divisors (see below), whose sum is σ = 358955686080. Its totient is φ = 102700846080.

The previous prime is 222120221209. The next prime is 222120221243. The reversal of 222120221222 is 222122021222.

It is a junction number, because it is equal to n+sod(n) for n = 222120221194 and 222120221203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1847738 + ... + 1964274.

It is an arithmetic number, because the mean of its divisors is an integer number (11217365190).

Almost surely, 2^222120221222 is an apocalyptic number.

222120221222 is a deficient number, since it is larger than the sum of its proper divisors (136835464858).

222120221222 is a wasteful number, since it uses less digits than its factorization.

222120221222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117536.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 222120221222 its reverse (222122021222), we get a palindrome (444242242444).

The spelling of 222120221222 in words is "two hundred twenty-two billion, one hundred twenty million, two hundred twenty-one thousand, two hundred twenty-two".