1422319 has 4 divisors (see below), whose sum is σ = 1428760. Its totient is φ = 1415880.

The previous prime is 1422293. The next prime is 1422367. The reversal of 1422319 is 9132241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1422319 - 2⁵ = 1422287 is a prime.

It is a super-2 number, since 2×1422319² = 4045982675522, which contains 22 as substring.

It is a Duffinian number.

1422319 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1422319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2877 + ... + 3334.

It is an arithmetic number, because the mean of its divisors is an integer number (357190).

2^1422319 is an apocalyptic number.

1422319 is a deficient number, since it is larger than the sum of its proper divisors (6441).

1422319 is an equidigital number, since it uses as much as digits as its factorization.

1422319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6440.

The product of its digits is 432, while the sum is 22.

The square root of 1422319 is about 1192.6101626265. The cubic root of 1422319 is about 112.4602394471.

The spelling of 1422319 in words is "one million, four hundred twenty-two thousand, three hundred nineteen".