1422001 has 8 divisors (see below), whose sum is σ = 1677824. Its totient is φ = 1179360.

The previous prime is 1421989. The next prime is 1422007. The reversal of 1422001 is 1002241.

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

It is not a de Polignac number, because 1422001 - 2⁵ = 1421969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1422007) 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 in 7 ways as a sum of consecutive naturals, for example, 3060 + ... + 3493.

It is an arithmetic number, because the mean of its divisors is an integer number (209728).

2^1422001 is an apocalyptic number.

It is an amenable number.

1422001 is a deficient number, since it is larger than the sum of its proper divisors (255823).

1422001 is an equidigital number, since it uses as much as digits as its factorization.

1422001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6591.

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

The square root of 1422001 is about 1192.4768341565. The cubic root of 1422001 is about 112.4518575905.

Adding to 1422001 its reverse (1002241), we get a palindrome (2424242).

The spelling of 1422001 in words is "one million, four hundred twenty-two thousand, one".