220420219 has 2 divisors, whose sum is σ = 220420220. Its totient is φ = 220420218.

The previous prime is 220420169. The next prime is 220420229. The reversal of 220420219 is 912024022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220420219 - 2²⁵ = 186865787 is a prime.

It is a super-2 number, since 2×220420219² = 97170145888015922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 220420219.

It is not a weakly prime, because it can be changed into another prime (220420229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110210109 + 110210110.

It is an arithmetic number, because the mean of its divisors is an integer number (110210110).

Almost surely, 2^220420219 is an apocalyptic number.

220420219 is a deficient number, since it is larger than the sum of its proper divisors (1).

220420219 is an equidigital number, since it uses as much as digits as its factorization.

220420219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 220420219 is about 14846.5557958740. Note that the first 3 decimals coincide. The cubic root of 220420219 is about 604.0651902138.

The spelling of 220420219 in words is "two hundred twenty million, four hundred twenty thousand, two hundred nineteen".