221303230200 has 288 divisors, whose sum is σ = 808639650000. Its totient is φ = 53912494080.

The previous prime is 221303230193. The next prime is 221303230219. The reversal of 221303230200 is 2032303122.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2221051 + ... + 2318549.

Almost surely, 2^221303230200 is an apocalyptic number.

221303230200 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 221303230200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (404319825000).

221303230200 is an abundant number, since it is smaller than the sum of its proper divisors (587336419800).

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

221303230200 is a wasteful number, since it uses less digits than its factorization.

221303230200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97631 (or 97619 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 221303230200 its reverse (2032303122), we get a palindrome (223335533322).

The spelling of 221303230200 in words is "two hundred twenty-one billion, three hundred three million, two hundred thirty thousand, two hundred".