220662241 has 2 divisors, whose sum is σ = 220662242. Its totient is φ = 220662240.

The previous prime is 220662217. The next prime is 220662259. The reversal of 220662241 is 142266022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 151290000 + 69372241 = 12300^2 + 8329^2 .

It is a cyclic number.

It is not a de Polignac number, because 220662241 - 2⁵ = 220662209 is a prime.

It is a super-3 number, since 3×220662241³ (a number of 26 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (220662271) 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, 110331120 + 110331121.

It is an arithmetic number, because the mean of its divisors is an integer number (110331121).

Almost surely, 2^220662241 is an apocalyptic number.

It is an amenable number.

220662241 is a deficient number, since it is larger than the sum of its proper divisors (1).

220662241 is an equidigital number, since it uses as much as digits as its factorization.

220662241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 220662241 is about 14854.7043390301. The cubic root of 220662241 is about 604.2861977519.

The spelling of 220662241 in words is "two hundred twenty million, six hundred sixty-two thousand, two hundred forty-one".