222222200000 has 168 divisors, whose sum is σ = 553605192000. Its totient is φ = 88497920000.

The previous prime is 222222199993. The next prime is 222222200003. The reversal of 222222200000 is 2222222.

It is a happy number.

It is a nialpdrome in base 10.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222222200003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47797676 + ... + 47802324.

It is an arithmetic number, because the mean of its divisors is an integer number (3295269000).

Almost surely, 2^222222200000 is an apocalyptic number.

222222200000 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 222222200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276802596000).

222222200000 is an abundant number, since it is smaller than the sum of its proper divisors (331382992000).

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

222222200000 is an frugal number, since it uses more digits than its factorization.

222222200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4925 (or 4895 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 222222200000 its reverse (2222222), we get a palindrome (222224422222).

222222200000 divided by its reverse (2222222) gives a 5-th power (100000 = 10⁵).

It can be divided in two parts, 22222 and 2200000, that added together give a palindrome (2222222).

The spelling of 222222200000 in words is "two hundred twenty-two billion, two hundred twenty-two million, two hundred thousand".