220241017 has 2 divisors, whose sum is σ = 220241018. Its totient is φ = 220241016.

The previous prime is 220241011. The next prime is 220241029. The reversal of 220241017 is 710142022.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 165791376 + 54449641 = 12876^2 + 7379^2 .

It is a cyclic number.

It is not a de Polignac number, because 220241017 - 2³ = 220241009 is a prime.

It is a super-2 number, since 2×220241017² = 97012211138388578, which contains 22 as substring.

It is equal to p_12135025 and since 220241017 and 12135025 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 220240985 and 220241003.

It is not a weakly prime, because it can be changed into another prime (220241011) 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, 110120508 + 110120509.

It is an arithmetic number, because the mean of its divisors is an integer number (110120509).

Almost surely, 2^220241017 is an apocalyptic number.

It is an amenable number.

220241017 is a deficient number, since it is larger than the sum of its proper divisors (1).

220241017 is an equidigital number, since it uses as much as digits as its factorization.

220241017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 220241017 is about 14840.5194316102. The cubic root of 220241017 is about 603.9014438333.

Adding to 220241017 its reverse (710142022), we get a palindrome (930383039).

The spelling of 220241017 in words is "two hundred twenty million, two hundred forty-one thousand, seventeen".