220411057 has 2 divisors, whose sum is σ = 220411058. Its totient is φ = 220411056.

The previous prime is 220411043. The next prime is 220411067. The reversal of 220411057 is 750114022.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 213276816 + 7134241 = 14604^2 + 2671^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220411057 is a prime.

It is not a weakly prime, because it can be changed into another prime (220411067) 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, 110205528 + 110205529.

It is an arithmetic number, because the mean of its divisors is an integer number (110205529).

Almost surely, 2^220411057 is an apocalyptic number.

It is an amenable number.

220411057 is a deficient number, since it is larger than the sum of its proper divisors (1).

220411057 is an equidigital number, since it uses as much as digits as its factorization.

220411057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 220411057 is about 14846.2472362547. The cubic root of 220411057 is about 604.0568205613.

Adding to 220411057 its reverse (750114022), we get a palindrome (970525079).

The spelling of 220411057 in words is "two hundred twenty million, four hundred eleven thousand, fifty-seven".