22200221212222 has 16 divisors (see below), whose sum is σ = 33658051501152. Its totient is φ = 10981091324160.

The previous prime is 22200221212207. The next prime is 22200221212229. The reversal of 22200221212222 is 22221212200222.

It is a junction number, because it is equal to n+sod(n) for n = 22200221212193 and 22200221212202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22200221212229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54951279 + ... + 55353802.

It is an arithmetic number, because the mean of its divisors is an integer number (2103628218822).

Almost surely, 2^{22200221212222} is an apocalyptic number.

22200221212222 is a deficient number, since it is larger than the sum of its proper divisors (11457830288930).

22200221212222 is a wasteful number, since it uses less digits than its factorization.

22200221212222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110306163.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 22200221212222 its reverse (22221212200222), we get a palindrome (44421433412444).

The spelling of 22200221212222 in words is "twenty-two trillion, two hundred billion, two hundred twenty-one million, two hundred twelve thousand, two hundred twenty-two".