2221330331200 has 42 divisors (see below), whose sum is σ = 5465860950146. Its totient is φ = 888532131840.

The previous prime is 2221330331197. The next prime is 2221330331201. The reversal of 2221330331200 is 21330331222.

It can be written as a sum of positive squares in 3 ways, for example, as 275104446016 + 1946225885184 = 524504^2 + 1395072^2 .

It is not an unprimeable number, because it can be changed into a prime (2221330331201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 694164129 + ... + 694167328.

Almost surely, 2^{2221330331200} is an apocalyptic number.

2221330331200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2221330331200 is an abundant number, since it is smaller than the sum of its proper divisors (3244530618946).

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

2221330331200 is a wasteful number, since it uses less digits than its factorization.

2221330331200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1388331479 (or 1388331464 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 2221330331200 its sum of digits (22), we get a palindrome (2221330331222).

Adding to 2221330331200 its reverse (21330331222), we get a palindrome (2242660662422).

The spelling of 2221330331200 in words is "two trillion, two hundred twenty-one billion, three hundred thirty million, three hundred thirty-one thousand, two hundred".