1822806 has 12 divisors (see below), whose sum is σ = 3949452. Its totient is φ = 607596.

The previous prime is 1822787. The next prime is 1822811. The reversal of 1822806 is 6082281.

It is a self number, because there is not a number n which added to its sum of digits gives 1822806.

It is a congruent 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 5 ways as a sum of consecutive naturals, for example, 50616 + ... + 50651.

It is an arithmetic number, because the mean of its divisors is an integer number (329121).

2^1822806 is an apocalyptic number.

1822806 is an abundant number, since it is smaller than the sum of its proper divisors (2126646).

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

1822806 is a wasteful number, since it uses less digits than its factorization.

1822806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101275 (or 101272 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 1822806 is about 1350.1133285765. The cubic root of 1822806 is about 122.1556286752.

It can be divided in two parts, 1822 and 806, that added together give a triangular number (2628 = T₇₂).

The spelling of 1822806 in words is "one million, eight hundred twenty-two thousand, eight hundred six".