222120212202222 has 16 divisors (see below), whose sum is σ = 445212504113232. Its totient is φ = 73878057449280.

The previous prime is 222120212202073. The next prime is 222120212202233. The reversal of 222120212202222 is 222202212021222.

It is a junction number, because it is equal to n+sod(n) for n = 222120212202192 and 222120212202201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40503318229 + ... + 40503323712.

It is an arithmetic number, because the mean of its divisors is an integer number (27825781507077).

Almost surely, 2^{222120212202222} is an apocalyptic number.

222120212202222 is an abundant number, since it is smaller than the sum of its proper divisors (223092291911010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222120212202222 is a wasteful number, since it uses less digits than its factorization.

222120212202222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81006642403.

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 222120212202222 its reverse (222202212021222), we get a palindrome (444322424223444).

The spelling of 222120212202222 in words is "two hundred twenty-two trillion, one hundred twenty billion, two hundred twelve million, two hundred two thousand, two hundred twenty-two".