222120101022222 has 64 divisors (see below), whose sum is σ = 478793783381760. Its totient is φ = 68290195046400.

The previous prime is 222120101022217. The next prime is 222120101022241. The reversal of 222120101022222 is 222220101021222.

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 31 ways as a sum of consecutive naturals, for example, 781527822 + ... + 781811982.

It is an arithmetic number, because the mean of its divisors is an integer number (7481152865340).

Almost surely, 2^{222120101022222} is an apocalyptic number.

222120101022222 is an abundant number, since it is smaller than the sum of its proper divisors (256673682359538).

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

222120101022222 is a wasteful number, since it uses less digits than its factorization.

222120101022222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292129.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 222120101022222 its reverse (222220101021222), we get a palindrome (444340202043444).

The spelling of 222120101022222 in words is "two hundred twenty-two trillion, one hundred twenty billion, one hundred one million, twenty-two thousand, two hundred twenty-two".