220804219 has 2 divisors, whose sum is σ = 220804220. Its totient is φ = 220804218.

The previous prime is 220804189. The next prime is 220804247. The reversal of 220804219 is 912408022.

It is an a-pointer prime, because the next prime (220804247) can be obtained adding 220804219 to its sum of digits (28).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220804219 - 2¹⁷ = 220673147 is a prime.

It is a super-2 number, since 2×220804219² = 97509006256399922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (220804819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110402109 + 110402110.

It is an arithmetic number, because the mean of its divisors is an integer number (110402110).

Almost surely, 2^220804219 is an apocalyptic number.

220804219 is a deficient number, since it is larger than the sum of its proper divisors (1).

220804219 is an equidigital number, since it uses as much as digits as its factorization.

220804219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 220804219 is about 14859.4824607050. The cubic root of 220804219 is about 604.4157727851.

The spelling of 220804219 in words is "two hundred twenty million, eight hundred four thousand, two hundred nineteen".