222122022200 has 192 divisors, whose sum is σ = 560613493440. Its totient is φ = 81360506880.

The previous prime is 222122022191. The next prime is 222122022229. The reversal of 222122022200 is 2220221222.

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, 225962909 + ... + 225963891.

It is an arithmetic number, because the mean of its divisors is an integer number (2919861945).

Almost surely, 2^222122022200 is an apocalyptic number.

222122022200 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 222122022200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (280306746720).

222122022200 is an abundant number, since it is smaller than the sum of its proper divisors (338491471240).

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

222122022200 is a wasteful number, since it uses less digits than its factorization.

222122022200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1618 (or 1609 counting only the distinct ones).

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

Adding to 222122022200 its reverse (2220221222), we get a palindrome (224342243422).

The spelling of 222122022200 in words is "two hundred twenty-two billion, one hundred twenty-two million, twenty-two thousand, two hundred".