1222019 has 2 divisors, whose sum is σ = 1222020. Its totient is φ = 1222018.

The previous prime is 1222003. The next prime is 1222027. The reversal of 1222019 is 9102221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1222019 - 2⁴ = 1222003 is a prime.

It is a super-2 number, since 2×1222019² = 2986660872722, 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 = 1221988 and 1222006.

It is not a weakly prime, because it can be changed into another prime (1222049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611009 + 611010.

It is an arithmetic number, because the mean of its divisors is an integer number (611010).

2^1222019 is an apocalyptic number.

1222019 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222019 is an equidigital number, since it uses as much as digits as its factorization.

1222019 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1222019 is about 1105.4496822560. The cubic root of 1222019 is about 106.9118848327.

The spelling of 1222019 in words is "one million, two hundred twenty-two thousand, nineteen".