2220001101222 has 48 divisors (see below), whose sum is σ = 4499119490832. Its totient is φ = 730273223680.

The previous prime is 2220001101217. The next prime is 2220001101229. The reversal of 2220001101222 is 2221011000222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220001101229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24716218 + ... + 24805874.

It is an arithmetic number, because the mean of its divisors is an integer number (93731656059).

Almost surely, 2^{2220001101222} is an apocalyptic number.

2220001101222 is an abundant number, since it is smaller than the sum of its proper divisors (2279118389610).

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

2220001101222 is an equidigital number, since it uses as much as digits as its factorization.

2220001101222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90361 (or 90272 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2220001101222 its reverse (2221011000222), we get a palindrome (4441012101444).

The spelling of 2220001101222 in words is "two trillion, two hundred twenty billion, one million, one hundred one thousand, two hundred twenty-two".