200200221 has 32 divisors (see below), whose sum is σ = 324213120. Its totient is φ = 121347072.

The previous prime is 200200219. The next prime is 200200241. The reversal of 200200221 is 122002002.

It is not a de Polignac number, because 200200221 - 2¹ = 200200219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200200241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19261 + ... + 27773.

It is an arithmetic number, because the mean of its divisors is an integer number (10131660).

Almost surely, 2^200200221 is an apocalyptic number.

It is an amenable number.

200200221 is a deficient number, since it is larger than the sum of its proper divisors (124012899).

200200221 is a wasteful number, since it uses less digits than its factorization.

200200221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8602 (or 8596 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 200200221 is about 14149.2127342831. The cubic root of 200200221 is about 584.9986324754.

Adding to 200200221 its reverse (122002002), we get a palindrome (322202223).

The spelling of 200200221 in words is "two hundred million, two hundred thousand, two hundred twenty-one".