220019 has 2 divisors, whose sum is σ = 220020. Its totient is φ = 220018.

The previous prime is 220013. The next prime is 220021. The reversal of 220019 is 910022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220019 - 2⁸ = 219763 is a prime.

It is a super-2 number, since 2×220019² = 96816720722, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 220021, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 219985 and 220012.

It is not a weakly prime, because it can be changed into another prime (220013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110009 + 110010.

It is an arithmetic number, because the mean of its divisors is an integer number (110010).

2²²⁰⁰¹⁹ is an apocalyptic number.

220019 is a deficient number, since it is larger than the sum of its proper divisors (1).

220019 is an equidigital number, since it uses as much as digits as its factorization.

220019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 220019 is about 469.0618296131. The cubic root of 220019 is about 60.3698451877.

The spelling of 220019 in words is "two hundred twenty thousand, nineteen".