1422419 has 2 divisors, whose sum is σ = 1422420. Its totient is φ = 1422418.

The previous prime is 1422409. The next prime is 1422433. The reversal of 1422419 is 9142241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1422419 - 2⁸ = 1422163 is a prime.

It is a super-2 number, since 2×1422419² = 4046551623122, which contains 22 as substring.

It is equal to p₁₀₈₆₅₃ and since 1422419 and 108653 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 1422394 and 1422403.

It is not a weakly prime, because it can be changed into another prime (1422409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711209 + 711210.

It is an arithmetic number, because the mean of its divisors is an integer number (711210).

2^1422419 is an apocalyptic number.

1422419 is a deficient number, since it is larger than the sum of its proper divisors (1).

1422419 is an equidigital number, since it uses as much as digits as its factorization.

1422419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 576, while the sum is 23.

The square root of 1422419 is about 1192.6520867378. The cubic root of 1422419 is about 112.4628749929.

The spelling of 1422419 in words is "one million, four hundred twenty-two thousand, four hundred nineteen".