200002221 has 12 divisors (see below), whose sum is σ = 289292640. Its totient is φ = 133149960.

The previous prime is 200002219. The next prime is 200002259. The reversal of 200002221 is 122200002.

It is not a de Polignac number, because 200002221 - 2¹ = 200002219 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200002921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8385 + ... + 21686.

It is an arithmetic number, because the mean of its divisors is an integer number (24107720).

Almost surely, 2^200002221 is an apocalyptic number.

It is an amenable number.

200002221 is a deficient number, since it is larger than the sum of its proper divisors (89290419).

200002221 is a wasteful number, since it uses less digits than its factorization.

200002221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30816 (or 30813 counting only the distinct ones).

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

The square root of 200002221 is about 14142.2141477210. The cubic root of 200002221 is about 584.8057123824.

Adding to 200002221 its reverse (122200002), we get a palindrome (322202223).

The spelling of 200002221 in words is "two hundred million, two thousand, two hundred twenty-one".