4473069221 has 2 divisors, whose sum is σ = 4473069222. Its totient is φ = 4473069220.

The previous prime is 4473069199. The next prime is 4473069239. The reversal of 4473069221 is 1229603744.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3719292196 + 753777025 = 60986^2 + 27455^2 .

It is a cyclic number.

It is not a de Polignac number, because 4473069221 - 2¹⁸ = 4472807077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4473069241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2236534610 + 2236534611.

It is an arithmetic number, because the mean of its divisors is an integer number (2236534611).

Almost surely, 2^4473069221 is an apocalyptic number.

It is an amenable number.

4473069221 is a deficient number, since it is larger than the sum of its proper divisors (1).

4473069221 is an equidigital number, since it uses as much as digits as its factorization.

4473069221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 4473069221 is about 66881.0079245222. The cubic root of 4473069221 is about 1647.6635705156.

The spelling of 4473069221 in words is "four billion, four hundred seventy-three million, sixty-nine thousand, two hundred twenty-one".