1422506 has 8 divisors (see below), whose sum is σ = 2147040. Its totient is φ = 706828.

The previous prime is 1422493. The next prime is 1422521. The reversal of 1422506 is 6052241.

It is a happy number.

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

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, 1796 + ... + 2463.

It is an arithmetic number, because the mean of its divisors is an integer number (268380).

2^1422506 is an apocalyptic number.

1422506 is a deficient number, since it is larger than the sum of its proper divisors (724534).

1422506 is a wasteful number, since it uses less digits than its factorization.

1422506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4428.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1422506 is about 1192.6885595159. The cubic root of 1422506 is about 112.4651678172.

Adding to 1422506 its reverse (6052241), we get a palindrome (7474747).

The spelling of 1422506 in words is "one million, four hundred twenty-two thousand, five hundred six".