2221222011222 has 8 divisors (see below), whose sum is σ = 4442444022456. Its totient is φ = 740407337072.

The previous prime is 2221222011221. The next prime is 2221222011227. The reversal of 2221222011222 is 2221102221222.

It is a sphenic number, since it is the product of 3 distinct primes.

2221222011222 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221222011221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185101834263 + ... + 185101834274.

It is an arithmetic number, because the mean of its divisors is an integer number (555305502807).

Almost surely, 2^{2221222011222} is an apocalyptic number.

2221222011222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2221222011222 is a wasteful number, since it uses less digits than its factorization.

2221222011222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370203668542.

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

Adding to 2221222011222 its reverse (2221102221222), we get a palindrome (4442324232444).

The spelling of 2221222011222 in words is "two trillion, two hundred twenty-one billion, two hundred twenty-two million, eleven thousand, two hundred twenty-two".