222221201222200 has 192 divisors, whose sum is σ = 525356915184000. Its totient is φ = 87398105034240.

The previous prime is 222221201222159. The next prime is 222221201222213. The reversal of 222221201222200 is 2222102122222.

222221201222200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16659503131 + ... + 16659516469.

It is an arithmetic number, because the mean of its divisors is an integer number (2736233933250).

Almost surely, 2^{222221201222200} is an apocalyptic number.

222221201222200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222221201222200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (262678457592000).

222221201222200 is an abundant number, since it is smaller than the sum of its proper divisors (303135713961800).

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

222221201222200 is a wasteful number, since it uses less digits than its factorization.

222221201222200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15654 (or 15645 counting only the distinct ones).

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

Adding to 222221201222200 its reverse (2222102122222), we get a palindrome (224443303344422).

The spelling of 222221201222200 in words is "two hundred twenty-two trillion, two hundred twenty-one billion, two hundred one million, two hundred twenty-two thousand, two hundred".