220030417 has 2 divisors, whose sum is σ = 220030418. Its totient is φ = 220030416.

The previous prime is 220030387. The next prime is 220030423. The reversal of 220030417 is 714030022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 217887121 + 2143296 = 14761^2 + 1464^2 .

It is a cyclic number.

It is not a de Polignac number, because 220030417 - 2⁷ = 220030289 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220030394 and 220030403.

It is not a weakly prime, because it can be changed into another prime (220030487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110015208 + 110015209.

It is an arithmetic number, because the mean of its divisors is an integer number (110015209).

Almost surely, 2^220030417 is an apocalyptic number.

It is an amenable number.

220030417 is a deficient number, since it is larger than the sum of its proper divisors (1).

220030417 is an equidigital number, since it uses as much as digits as its factorization.

220030417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 220030417 is about 14833.4222956134. The cubic root of 220030417 is about 603.7088938632.

Adding to 220030417 its reverse (714030022), we get a palindrome (934060439).

The spelling of 220030417 in words is "two hundred twenty million, thirty thousand, four hundred seventeen".