222211210221222 has 32 divisors (see below), whose sum is σ = 449328710830560. Its totient is φ = 73255200526080.

The previous prime is 222211210221199. The next prime is 222211210221229. The reversal of 222211210221222 is 222122012112222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 222211210221192 and 222211210221201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222211210221229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 313668823 + ... + 314376450.

It is an arithmetic number, because the mean of its divisors is an integer number (14041522213455).

Almost surely, 2^{222211210221222} is an apocalyptic number.

222211210221222 is an abundant number, since it is smaller than the sum of its proper divisors (227117500609338).

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

222211210221222 is a wasteful number, since it uses less digits than its factorization.

222211210221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628045928.

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 222211210221222 its reverse (222122012112222), we get a palindrome (444333222333444).

The spelling of 222211210221222 in words is "two hundred twenty-two trillion, two hundred eleven billion, two hundred ten million, two hundred twenty-one thousand, two hundred twenty-two".