2221323200 has 42 divisors (see below), whose sum is σ = 5465847336. Its totient is φ = 888528640.

The previous prime is 2221323191. The next prime is 2221323211. The reversal of 2221323200 is 23231222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 692564 + ... + 695763.

Almost surely, 2^2221323200 is an apocalyptic number.

2221323200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2221323200 is an abundant number, since it is smaller than the sum of its proper divisors (3244524136).

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

2221323200 is a wasteful number, since it uses less digits than its factorization.

2221323200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1388349 (or 1388334 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 2221323200 is about 47130.9155438339. The cubic root of 2221323200 is about 1304.7798790028.

Adding to 2221323200 its reverse (23231222), we get a palindrome (2244554422).

The spelling of 2221323200 in words is "two billion, two hundred twenty-one million, three hundred twenty-three thousand, two hundred".