220009017 has 4 divisors (see below), whose sum is σ = 293345360. Its totient is φ = 146672676.

The previous prime is 220009001. The next prime is 220009033. The reversal of 220009017 is 710900022.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (220009001) and next prime (220009033).

It is not a de Polignac number, because 220009017 - 2⁴ = 220009001 is a prime.

It is a super-2 number, since 2×220009017² = 96807935122612578, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 220008984 and 220009002.

It is not an unprimeable number, because it can be changed into a prime (220009057) 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 in 3 ways as a sum of consecutive naturals, for example, 36668167 + ... + 36668172.

It is an arithmetic number, because the mean of its divisors is an integer number (73336340).

Almost surely, 2^220009017 is an apocalyptic number.

It is an amenable number.

220009017 is a deficient number, since it is larger than the sum of its proper divisors (73336343).

220009017 is an equidigital number, since it uses as much as digits as its factorization.

220009017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73336342.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 220009017 is about 14832.7009340848. The cubic root of 220009017 is about 603.6893211311.

Adding to 220009017 its reverse (710900022), we get a palindrome (930909039).

The spelling of 220009017 in words is "two hundred twenty million, nine thousand, seventeen".