2221222100222 has 8 divisors (see below), whose sum is σ = 3364821597672. Its totient is φ = 1099614901000.

The previous prime is 2221222100221. The next prime is 2221222100249. The reversal of 2221222100222 is 2220012221222.

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

It is a super-2 number, since 2×2221222100222² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2221222100194 and 2221222100203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221222100221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5498074304 + ... + 5498074707.

It is an arithmetic number, because the mean of its divisors is an integer number (420602699709).

Almost surely, 2^{2221222100222} is an apocalyptic number.

2221222100222 is a deficient number, since it is larger than the sum of its proper divisors (1143599497450).

2221222100222 is a wasteful number, since it uses less digits than its factorization.

2221222100222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10996149114.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 2221222100222 its reverse (2220012221222), we get a palindrome (4441234321444).

The spelling of 2221222100222 in words is "two trillion, two hundred twenty-one billion, two hundred twenty-two million, one hundred thousand, two hundred twenty-two".