222100212100222 has 16 divisors (see below), whose sum is σ = 333323554015872. Its totient is φ = 110992365019800.

The previous prime is 222100212100157. The next prime is 222100212100243. The reversal of 222100212100222 is 222001212001222.

It is a self number, because there is not a number n which added to its sum of digits gives 222100212100222.

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, 104628097 + ... + 106729747.

It is an arithmetic number, because the mean of its divisors is an integer number (20832722125992).

Almost surely, 2^{222100212100222} is an apocalyptic number.

222100212100222 is a deficient number, since it is larger than the sum of its proper divisors (111223341915650).

222100212100222 is a wasteful number, since it uses less digits than its factorization.

222100212100222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2129103.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 222100212100222 its reverse (222001212001222), we get a palindrome (444101424101444).

The spelling of 222100212100222 in words is "two hundred twenty-two trillion, one hundred billion, two hundred twelve million, one hundred thousand, two hundred twenty-two".