1392822 has 16 divisors (see below), whose sum is σ = 3095280. Its totient is φ = 464256.

The previous prime is 1392817. The next prime is 1392829. The reversal of 1392822 is 2282931.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1392829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12843 + ... + 12950.

It is an arithmetic number, because the mean of its divisors is an integer number (193455).

2^1392822 is an apocalyptic number.

1392822 is an abundant number, since it is smaller than the sum of its proper divisors (1702458).

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

1392822 is a wasteful number, since it uses less digits than its factorization.

1392822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25804 (or 25798 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 1392822 is about 1180.1788000129. The cubic root of 1392822 is about 111.6773772554.

The spelling of 1392822 in words is "one million, three hundred ninety-two thousand, eight hundred twenty-two".