1845822 has 16 divisors (see below), whose sum is σ = 4027392. Its totient is φ = 559320.

The previous prime is 1845791. The next prime is 1845827. The reversal of 1845822 is 2285481.

It is a self number, because there is not a number n which added to its sum of digits gives 1845822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1845827) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 13918 + ... + 14049.

It is an arithmetic number, because the mean of its divisors is an integer number (251712).

2^1845822 is an apocalyptic number.

1845822 is an abundant number, since it is smaller than the sum of its proper divisors (2181570).

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

1845822 is a wasteful number, since it uses less digits than its factorization.

1845822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27983.

The product of its digits is 5120, while the sum is 30.

The square root of 1845822 is about 1358.6103194073. The cubic root of 1845822 is about 122.6676200435.

It can be divided in two parts, 184 and 5822, that added together give a palindrome (6006).

The spelling of 1845822 in words is "one million, eight hundred forty-five thousand, eight hundred twenty-two".