3222221101200 has 90 divisors (see below), whose sum is σ = 11182002295074. Its totient is φ = 859258959360.

The previous prime is 3222221101163. The next prime is 3222221101207. The reversal of 3222221101200 is 21011222223.

3222221101200 is a `hidden beast` number, since 32 + 222 + 211 + 0 + 1 + 200 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 115434139536 + 3106786961664 = 339756^2 + 1762608^2 .

It is a tau number, because it is divible by the number of its divisors (90).

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 (3222221101207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 447527109 + ... + 447534308.

Almost surely, 2^{3222221101200} is an apocalyptic number.

3222221101200 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3222221101200 is an abundant number, since it is smaller than the sum of its proper divisors (7959781193874).

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

3222221101200 is a wasteful number, since it uses less digits than its factorization.

3222221101200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895061441 (or 895061427 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 3222221101200 its reverse (21011222223), we get a palindrome (3243232323423).

The spelling of 3222221101200 in words is "three trillion, two hundred twenty-two billion, two hundred twenty-one million, one hundred one thousand, two hundred".