122220222200 has 96 divisors (see below), whose sum is σ = 290322482160. Its totient is φ = 47836569600.

The previous prime is 122220222199. The next prime is 122220222217. The reversal of 122220222200 is 2222022221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2328647 + ... + 2380553.

Almost surely, 2^122220222200 is an apocalyptic number.

122220222200 is a gapful number since it is divisible by the number (10) 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 122220222200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145161241080).

122220222200 is an abundant number, since it is smaller than the sum of its proper divisors (168102259960).

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

122220222200 is a wasteful number, since it uses less digits than its factorization.

122220222200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52177 (or 52168 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 122220222200 its reverse (2222022221), we get a palindrome (124442244421).

The spelling of 122220222200 in words is "one hundred twenty-two billion, two hundred twenty million, two hundred twenty-two thousand, two hundred".