2021219 has 2 divisors, whose sum is σ = 2021220. Its totient is φ = 2021218.

The previous prime is 2021203. The next prime is 2021237. The reversal of 2021219 is 9121202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2021219 - 2⁴ = 2021203 is a prime.

It is a super-2 number, since 2×2021219² = 8170652491922, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2021197 and 2021206.

It is not a weakly prime, because it can be changed into another prime (2021119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010609 + 1010610.

It is an arithmetic number, because the mean of its divisors is an integer number (1010610).

2^2021219 is an apocalyptic number.

2021219 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021219 is an equidigital number, since it uses as much as digits as its factorization.

2021219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 2021219 is about 1421.6958183803. The cubic root of 2021219 is about 126.4361095293.

Subtracting from 2021219 its sum of digits (17), we obtain a palindrome (2021202).

The spelling of 2021219 in words is "two million, twenty-one thousand, two hundred nineteen".