1001422 has 8 divisors (see below), whose sum is σ = 1506456. Its totient is φ = 499272.

The previous prime is 1001411. The next prime is 1001431. The reversal of 1001422 is 2241001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1001399 and 1001408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 748 + ... + 1600.

It is an arithmetic number, because the mean of its divisors is an integer number (188307).

2^1001422 is an apocalyptic number.

1001422 is a deficient number, since it is larger than the sum of its proper divisors (505034).

1001422 is an equidigital number, since it uses as much as digits as its factorization.

1001422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1442.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 1001422 is about 1000.7107474191. The cubic root of 1001422 is about 100.0473775501.

Adding to 1001422 its reverse (2241001), we get a palindrome (3242423).

The spelling of 1001422 in words is "one million, one thousand, four hundred twenty-two".