220314817 has 2 divisors, whose sum is σ = 220314818. Its totient is φ = 220314816.

The previous prime is 220314797. The next prime is 220314821. The reversal of 220314817 is 718413022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 220255281 + 59536 = 14841^2 + 244^2 .

It is a cyclic number.

It is not a de Polignac number, because 220314817 - 2¹¹ = 220312769 is a prime.

It is not a weakly prime, because it can be changed into another prime (220314847) 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, 110157408 + 110157409.

It is an arithmetic number, because the mean of its divisors is an integer number (110157409).

Almost surely, 2^220314817 is an apocalyptic number.

It is an amenable number.

220314817 is a deficient number, since it is larger than the sum of its proper divisors (1).

220314817 is an equidigital number, since it uses as much as digits as its factorization.

220314817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 220314817 is about 14843.0056592322. The cubic root of 220314817 is about 603.9688895647.

Adding to 220314817 its reverse (718413022), we get a palindrome (938727839).

It can be divided in two parts, 2203 and 14817, that added together give a triangular number (17020 = T₁₈₄).

The spelling of 220314817 in words is "two hundred twenty million, three hundred fourteen thousand, eight hundred seventeen".