220335541 has 2 divisors, whose sum is σ = 220335542. Its totient is φ = 220335540.

The previous prime is 220335523. The next prime is 220335551. The reversal of 220335541 is 145533022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 179962225 + 40373316 = 13415^2 + 6354^2 .

It is a cyclic number.

It is not a de Polignac number, because 220335541 - 2¹¹ = 220333493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220335551) 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, 110167770 + 110167771.

It is an arithmetic number, because the mean of its divisors is an integer number (110167771).

Almost surely, 2^220335541 is an apocalyptic number.

It is an amenable number.

220335541 is a deficient number, since it is larger than the sum of its proper divisors (1).

220335541 is an equidigital number, since it uses as much as digits as its factorization.

220335541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 220335541 is about 14843.7037494016. The cubic root of 220335541 is about 603.9878264947.

Adding to 220335541 its reverse (145533022), we get a palindrome (365868563).

The spelling of 220335541 in words is "two hundred twenty million, three hundred thirty-five thousand, five hundred forty-one".