222231111200 has 162 divisors, whose sum is σ = 631361838303. Its totient is φ = 76161523200.

The previous prime is 222231111191. The next prime is 222231111203. The reversal of 222231111200 is 2111132222.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 5 ways, for example, as 2821309456 + 219409801744 = 53116^2 + 468412^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=333340.

It is not an unprimeable number, because it can be changed into a prime (222231111203) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 93334010 + ... + 93336390.

Almost surely, 2^222231111200 is an apocalyptic number.

222231111200 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 222231111200

222231111200 is an abundant number, since it is smaller than the sum of its proper divisors (409130727103).

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

222231111200 is an frugal number, since it uses more digits than its factorization.

222231111200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4796 (or 2395 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 222231111200 its reverse (2111132222), we get a palindrome (224342243422).

The spelling of 222231111200 in words is "two hundred twenty-two billion, two hundred thirty-one million, one hundred eleven thousand, two hundred".