3102230221 has 4 divisors (see below), whose sum is σ = 3122774944. Its totient is φ = 3081685500.

The previous prime is 3102230189. The next prime is 3102230231. The reversal of 3102230221 is 1220322013.

3102230221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 an emirpimes, since its reverse is a distinct semiprime: 1220322013 = 379 ⋅3219847.

It is a cyclic number.

It is not a de Polignac number, because 3102230221 - 2⁵ = 3102230189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3102230195 and 3102230204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3102230231) 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, 10272135 + ... + 10272436.

It is an arithmetic number, because the mean of its divisors is an integer number (780693736).

Almost surely, 2^3102230221 is an apocalyptic number.

It is an amenable number.

3102230221 is a deficient number, since it is larger than the sum of its proper divisors (20544723).

3102230221 is a wasteful number, since it uses less digits than its factorization.

3102230221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20544722.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 3102230221 is about 55697.6680032477. The cubic root of 3102230221 is about 1458.4493170237.

Adding to 3102230221 its reverse (1220322013), we get a palindrome (4322552234).

The spelling of 3102230221 in words is "three billion, one hundred two million, two hundred thirty thousand, two hundred twenty-one".