1422426 has 8 divisors (see below), whose sum is σ = 2844864. Its totient is φ = 474140.

The previous prime is 1422419. The next prime is 1422433. The reversal of 1422426 is 6242241.

It is an interprime number because it is at equal distance from previous prime (1422419) and next prime (1422433).

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

1422426 is an admirable number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 118530 + ... + 118541.

It is an arithmetic number, because the mean of its divisors is an integer number (355608).

2^1422426 is an apocalyptic number.

1422426 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1422426 is a wasteful number, since it uses less digits than its factorization.

1422426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237076.

The product of its digits is 768, while the sum is 21.

The square root of 1422426 is about 1192.6550213704. The cubic root of 1422426 is about 112.4630594765.

Adding to 1422426 its reverse (6242241), we get a palindrome (7664667).

The spelling of 1422426 in words is "one million, four hundred twenty-two thousand, four hundred twenty-six".