22220000222200 has 192 divisors, whose sum is σ = 60264010847520. Its totient is φ = 7529410560000.

The previous prime is 22220000222179. The next prime is 22220000222237. The reversal of 22220000222200 is 222200002222.

It is a happy number.

It is a zygodrome in base 10.

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, 836224 + ... + 6718576.

Almost surely, 2^{22220000222200} is an apocalyptic number.

22220000222200 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 22220000222200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30132005423760).

22220000222200 is an abundant number, since it is smaller than the sum of its proper divisors (38044010625320).

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

22220000222200 is a wasteful number, since it uses less digits than its factorization.

22220000222200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5882498 (or 5882489 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 22220000222200 its reverse (222200002222), we get a palindrome (22442200224422).

22220000222200 divided by its reverse (222200002222) gives a square (100 = 10²).

It can be divided in two parts, 2222000022 and 2200, that added together give a palindrome (2222002222).

The spelling of 22220000222200 in words is "twenty-two trillion, two hundred twenty billion, two hundred twenty-two thousand, two hundred".