221550230200 has 48 divisors (see below), whose sum is σ = 554727698280. Its totient is φ = 81803160960.

The previous prime is 221550230141. The next prime is 221550230269. The reversal of 221550230200 is 2032055122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42603214 + ... + 42608413.

Almost surely, 2^221550230200 is an apocalyptic number.

221550230200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221550230200 is an abundant number, since it is smaller than the sum of its proper divisors (333177468080).

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

221550230200 is a wasteful number, since it uses less digits than its factorization.

221550230200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85211656 (or 85211647 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

Adding to 221550230200 its reverse (2032055122), we get a palindrome (223582285322).

The spelling of 221550230200 in words is "two hundred twenty-one billion, five hundred fifty million, two hundred thirty thousand, two hundred".