220405219 has 2 divisors, whose sum is σ = 220405220. Its totient is φ = 220405218.

The previous prime is 220405193. The next prime is 220405223. The reversal of 220405219 is 912504022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220405219 - 2⁷ = 220405091 is a prime.

It is a super-2 number, since 2×220405219² = 97156921124875922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 220405193 and 220405202.

It is not a weakly prime, because it can be changed into another prime (220405259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110202609 + 110202610.

It is an arithmetic number, because the mean of its divisors is an integer number (110202610).

Almost surely, 2^220405219 is an apocalyptic number.

220405219 is a deficient number, since it is larger than the sum of its proper divisors (1).

220405219 is an equidigital number, since it uses as much as digits as its factorization.

220405219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 220405219 is about 14846.0506196092. The cubic root of 220405219 is about 604.0514873218.

The spelling of 220405219 in words is "two hundred twenty million, four hundred five thousand, two hundred nineteen".