222102100221222 has 32 divisors (see below), whose sum is σ = 478613300854752. Its totient is φ = 68304886827264.

The previous prime is 222102100221217. The next prime is 222102100221223. The reversal of 222102100221222 is 222122001201222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222102100221223) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 712779343 + ... + 713090874.

It is an arithmetic number, because the mean of its divisors is an integer number (14956665651711).

Almost surely, 2^{222102100221222} is an apocalyptic number.

222102100221222 is an abundant number, since it is smaller than the sum of its proper divisors (256511200633530).

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

222102100221222 is a wasteful number, since it uses less digits than its factorization.

222102100221222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425872232.

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

Adding to 222102100221222 its reverse (222122001201222), we get a palindrome (444224101422444).

The spelling of 222102100221222 in words is "two hundred twenty-two trillion, one hundred two billion, one hundred million, two hundred twenty-one thousand, two hundred twenty-two".