2221022110222 has 32 divisors (see below), whose sum is σ = 3677499885600. Its totient is φ = 1001870166528.

The previous prime is 2221022110207. The next prime is 2221022110253. The reversal of 2221022110222 is 2220112201222.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 2221022110222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13723983 + ... + 13884874.

It is an arithmetic number, because the mean of its divisors is an integer number (114921871425).

Almost surely, 2^{2221022110222} is an apocalyptic number.

2221022110222 is a deficient number, since it is larger than the sum of its proper divisors (1456477775378).

2221022110222 is a wasteful number, since it uses less digits than its factorization.

2221022110222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27608980.

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

Adding to 2221022110222 its reverse (2220112201222), we get a palindrome (4441134311444).

The spelling of 2221022110222 in words is "two trillion, two hundred twenty-one billion, twenty-two million, one hundred ten thousand, two hundred twenty-two".