222220101021222 has 16 divisors (see below), whose sum is σ = 444471873286320. Its totient is φ = 74068088466432.

The previous prime is 222220101021211. The next prime is 222220101021257. The reversal of 222220101021222 is 222120101022222.

It is a super-2 number, since 2×222220101021222² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1319543947 + ... + 1319712342.

It is an arithmetic number, because the mean of its divisors is an integer number (27779492080395).

Almost surely, 2^{222220101021222} is an apocalyptic number.

222220101021222 is an abundant number, since it is smaller than the sum of its proper divisors (222251772265098).

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

222220101021222 is a wasteful number, since it uses less digits than its factorization.

222220101021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2639270327.

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

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

The spelling of 222220101021222 in words is "two hundred twenty-two trillion, two hundred twenty billion, one hundred one million, twenty-one thousand, two hundred twenty-two".