202230330221 has 4 divisors (see below), whose sum is σ = 202231411200. Its totient is φ = 202229249244.

The previous prime is 202230330131. The next prime is 202230330233. The reversal of 202230330221 is 122033032202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 202230330221 - 2¹⁴ = 202230313837 is a prime.

It is a super-2 number, since 2×202230330221² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202230330193 and 202230330202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202230330121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179501 + ... + 660818.

It is an arithmetic number, because the mean of its divisors is an integer number (50557852800).

Almost surely, 2^202230330221 is an apocalyptic number.

It is an amenable number.

202230330221 is a deficient number, since it is larger than the sum of its proper divisors (1080979).

202230330221 is an equidigital number, since it uses as much as digits as its factorization.

202230330221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080978.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 202230330221 its reverse (122033032202), we get a palindrome (324263362423).

The spelling of 202230330221 in words is "two hundred two billion, two hundred thirty million, three hundred thirty thousand, two hundred twenty-one".