222201232200 has 144 divisors (see below), whose sum is σ = 753614795700. Its totient is φ = 58666944000.

The previous prime is 222201232199. The next prime is 222201232207. The reversal of 222201232200 is 2232102222.

222201232200 is a `hidden beast` number, since 222 + 201 + 23 + 220 + 0 = 666.

222201232200 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 127153575396 + 95047656804 = 356586^2 + 308298^2 .

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

It is not an unprimeable number, because it can be changed into a prime (222201232207) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 429315 + ... + 792914.

Almost surely, 2^222201232200 is an apocalyptic number.

222201232200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222201232200 is an abundant number, since it is smaller than the sum of its proper divisors (531413563500).

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

222201232200 is a wasteful number, since it uses less digits than its factorization.

222201232200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222352 (or 1222340 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 222201232200 its reverse (2232102222), we get a palindrome (224433334422).

The spelling of 222201232200 in words is "two hundred twenty-two billion, two hundred one million, two hundred thirty-two thousand, two hundred".