22222002220200 has 288 divisors, whose sum is σ = 77074118503200. Its totient is φ = 5733494945280.

The previous prime is 22222002220181. The next prime is 22222002220259. The reversal of 22222002220200 is 202220022222.

22222002220200 is a `hidden beast` number, since 2 + 22 + 220 + 0 + 2 + 220 + 200 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 10989379 + ... + 12853421.

It is an arithmetic number, because the mean of its divisors is an integer number (267618467025).

Almost surely, 2^{22222002220200} is an apocalyptic number.

22222002220200 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 22222002220200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38537059251600).

22222002220200 is an abundant number, since it is smaller than the sum of its proper divisors (54852116283000).

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

22222002220200 is a wasteful number, since it uses less digits than its factorization.

22222002220200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1864281 (or 1864269 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 22222002220200 its reverse (202220022222), we get a palindrome (22424222242422).

The spelling of 22222002220200 in words is "twenty-two trillion, two hundred twenty-two billion, two million, two hundred twenty thousand, two hundred".