200223434221 has 2 divisors, whose sum is σ = 200223434222. Its totient is φ = 200223434220.

The previous prime is 200223434209. The next prime is 200223434249. The reversal of 200223434221 is 122434322002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 197429148900 + 2794285321 = 444330^2 + 52861^2 .

It is a cyclic number.

It is not a de Polignac number, because 200223434221 - 2¹¹ = 200223432173 is a prime.

It is a super-2 number, since 2×200223434221² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200223434251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100111717110 + 100111717111.

It is an arithmetic number, because the mean of its divisors is an integer number (100111717111).

Almost surely, 2^200223434221 is an apocalyptic number.

It is an amenable number.

200223434221 is a deficient number, since it is larger than the sum of its proper divisors (1).

200223434221 is an equidigital number, since it uses as much as digits as its factorization.

200223434221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 200223434221 its reverse (122434322002), we get a palindrome (322657756223).

The spelling of 200223434221 in words is "two hundred billion, two hundred twenty-three million, four hundred thirty-four thousand, two hundred twenty-one".