1422336 has 44 divisors (see below), whose sum is σ = 3799232. Its totient is φ = 473088.

The previous prime is 1422293. The next prime is 1422367. The reversal of 1422336 is 6332241.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a nialpdrome in base 8.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2841 + ... + 3303.

2^1422336 is an apocalyptic number.

1422336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1422336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1899616).

1422336 is an abundant number, since it is smaller than the sum of its proper divisors (2376896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1422336 is an equidigital number, since it uses as much as digits as its factorization.

1422336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486 (or 468 counting only the distinct ones).

The product of its digits is 864, while the sum is 21.

The square root of 1422336 is about 1192.6172898294. The cubic root of 1422336 is about 112.4606874986.

Adding to 1422336 its reverse (6332241), we get a palindrome (7754577).

The spelling of 1422336 in words is "one million, four hundred twenty-two thousand, three hundred thirty-six".