3020223221 has 4 divisors (see below), whose sum is σ = 3093887244. Its totient is φ = 2946559200.

The previous prime is 3020223191. The next prime is 3020223229. The reversal of 3020223221 is 1223220203.

3020223221 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.

It can be written as a sum of positive squares in 2 ways, for example, as 899160196 + 2121063025 = 29986^2 + 46055^2 .

It is a cyclic number.

It is not a de Polignac number, because 3020223221 - 2²⁶ = 2953114357 is a prime.

It is a super-2 number, since 2×3020223221² = 18243496609335229682, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3020223221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3020223229) 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, 36831950 + ... + 36832031.

It is an arithmetic number, because the mean of its divisors is an integer number (773471811).

Almost surely, 2^3020223221 is an apocalyptic number.

It is an amenable number.

3020223221 is a deficient number, since it is larger than the sum of its proper divisors (73664023).

3020223221 is an equidigital number, since it uses as much as digits as its factorization.

3020223221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73664022.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 3020223221 is about 54956.5575796010. The cubic root of 3020223221 is about 1445.4830855667.

Adding to 3020223221 its reverse (1223220203), we get a palindrome (4243443424).

The spelling of 3020223221 in words is "three billion, twenty million, two hundred twenty-three thousand, two hundred twenty-one".