1422812 has 12 divisors (see below), whose sum is σ = 2527560. Its totient is φ = 700656.

The previous prime is 1422797. The next prime is 1422821. The reversal of 1422812 is 2182241.

It is a happy number.

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, 2387 + ... + 2922.

It is an arithmetic number, because the mean of its divisors is an integer number (210630).

2^1422812 is an apocalyptic number.

It is an amenable number.

1422812 is a deficient number, since it is larger than the sum of its proper divisors (1104748).

1422812 is a wasteful number, since it uses less digits than its factorization.

1422812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5380 (or 5378 counting only the distinct ones).

The product of its digits is 256, while the sum is 20.

The square root of 1422812 is about 1192.8168342206. The cubic root of 1422812 is about 112.4732314912.

The spelling of 1422812 in words is "one million, four hundred twenty-two thousand, eight hundred twelve".