622019 has 2 divisors, whose sum is σ = 622020. Its totient is φ = 622018.

The previous prime is 622009. The next prime is 622043. The reversal of 622019 is 910226.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 622019 - 2¹⁶ = 556483 is a prime.

It is a super-2 number, since 2×622019² = 773815272722, which contains 22 as substring.

It is a Sophie Germain prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (622009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311009 + 311010.

It is an arithmetic number, because the mean of its divisors is an integer number (311010).

2⁶²²⁰¹⁹ is an apocalyptic number.

622019 is a deficient number, since it is larger than the sum of its proper divisors (1).

622019 is an equidigital number, since it uses as much as digits as its factorization.

622019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 622019 is about 788.6818116325. The cubic root of 622019 is about 85.3626489582.

The spelling of 622019 in words is "six hundred twenty-two thousand, nineteen".