4059221 has 2 divisors, whose sum is σ = 4059222. Its totient is φ = 4059220.

The previous prime is 4059203. The next prime is 4059227. The reversal of 4059221 is 1229504.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4056196 + 3025 = 2014^2 + 55^2 .

It is a cyclic number.

It is not a de Polignac number, because 4059221 - 2¹⁸ = 3797077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4059227) 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, 2029610 + 2029611.

It is an arithmetic number, because the mean of its divisors is an integer number (2029611).

Almost surely, 2^4059221 is an apocalyptic number.

It is an amenable number.

4059221 is a deficient number, since it is larger than the sum of its proper divisors (1).

4059221 is an equidigital number, since it uses as much as digits as its factorization.

4059221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 4059221 is about 2014.7508530833. The cubic root of 4059221 is about 159.5196662104.

The spelling of 4059221 in words is "four million, fifty-nine thousand, two hundred twenty-one".