3045470221 has 2 divisors, whose sum is σ = 3045470222. Its totient is φ = 3045470220.

The previous prime is 3045470209. The next prime is 3045470249. The reversal of 3045470221 is 1220745403.

It is the 22530-th star number.

It is an a-pointer prime, because the next prime (3045470249) can be obtained adding 3045470221 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2732675625 + 312794596 = 52275^2 + 17686^2 .

It is a cyclic number.

It is not a de Polignac number, because 3045470221 - 2⁵ = 3045470189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3045470221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3045470621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1522735110 + 1522735111.

It is an arithmetic number, because the mean of its divisors is an integer number (1522735111).

Almost surely, 2^3045470221 is an apocalyptic number.

It is an amenable number.

3045470221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3045470221 is an equidigital number, since it uses as much as digits as its factorization.

3045470221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 3045470221 is about 55185.7791555035. The cubic root of 3045470221 is about 1449.4996642353.

The spelling of 3045470221 in words is "three billion, forty-five million, four hundred seventy thousand, two hundred twenty-one".