3022920221 has 2 divisors, whose sum is σ = 3022920222. Its totient is φ = 3022920220.

The previous prime is 3022920191. The next prime is 3022920223. The reversal of 3022920221 is 1220292203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2925187225 + 97732996 = 54085^2 + 9886^2 .

It is a cyclic number.

It is not a de Polignac number, because 3022920221 - 2³⁰ = 1949178397 is a prime.

Together with 3022920223, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3022920223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1511460110 + 1511460111.

It is an arithmetic number, because the mean of its divisors is an integer number (1511460111).

Almost surely, 2^3022920221 is an apocalyptic number.

It is an amenable number.

3022920221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3022920221 is an equidigital number, since it uses as much as digits as its factorization.

3022920221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 3022920221 is about 54981.0896672665. The cubic root of 3022920221 is about 1445.9132202238.

The spelling of 3022920221 in words is "three billion, twenty-two million, nine hundred twenty thousand, two hundred twenty-one".