4350206221 has 2 divisors, whose sum is σ = 4350206222. Its totient is φ = 4350206220.

The previous prime is 4350206191. The next prime is 4350206233. The reversal of 4350206221 is 1226020534.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3286728900 + 1063477321 = 57330^2 + 32611^2 .

It is a cyclic number.

It is not a de Polignac number, because 4350206221 - 2²⁷ = 4215988493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4350206251) 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, 2175103110 + 2175103111.

It is an arithmetic number, because the mean of its divisors is an integer number (2175103111).

Almost surely, 2^4350206221 is an apocalyptic number.

It is an amenable number.

4350206221 is a deficient number, since it is larger than the sum of its proper divisors (1).

4350206221 is an equidigital number, since it uses as much as digits as its factorization.

4350206221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 4350206221 is about 65956.0931302029. The cubic root of 4350206221 is about 1632.4376966077.

Adding to 4350206221 its reverse (1226020534), we get a palindrome (5576226755).

The spelling of 4350206221 in words is "four billion, three hundred fifty million, two hundred six thousand, two hundred twenty-one".