2221323313300 has 144 divisors (see below), whose sum is σ = 5940497422720. Its totient is φ = 702081354240.

The previous prime is 2221323313291. The next prime is 2221323313351. The reversal of 2221323313300 is 33133231222.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 6727471 + ... + 7049929.

Almost surely, 2^{2221323313300} is an apocalyptic number.

2221323313300 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 2221323313300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2970248711360).

2221323313300 is an abundant number, since it is smaller than the sum of its proper divisors (3719174109420).

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

2221323313300 is a wasteful number, since it uses less digits than its factorization.

2221323313300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323250 (or 323243 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 2221323313300 its reverse (33133231222), we get a palindrome (2254456544522).

The spelling of 2221323313300 in words is "two trillion, two hundred twenty-one billion, three hundred twenty-three million, three hundred thirteen thousand, three hundred".