222120021212222 has 32 divisors (see below), whose sum is σ = 381043982592000. Its totient is φ = 95127600935808.

The previous prime is 222120021212213. The next prime is 222120021212227. The reversal of 222120021212222 is 222212120021222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222120021212227) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 395401979 + ... + 395963337.

It is an arithmetic number, because the mean of its divisors is an integer number (11907624456000).

Almost surely, 2^{222120021212222} is an apocalyptic number.

222120021212222 is a deficient number, since it is larger than the sum of its proper divisors (158923961379778).

222120021212222 is a wasteful number, since it uses less digits than its factorization.

222120021212222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581120.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 222120021212222 its reverse (222212120021222), we get a palindrome (444332141233444).

The spelling of 222120021212222 in words is "two hundred twenty-two trillion, one hundred twenty billion, twenty-one million, two hundred twelve thousand, two hundred twenty-two".