1804022 has 16 divisors (see below), whose sum is σ = 3022272. Its totient is φ = 800520.

The previous prime is 1804013. The next prime is 1804037. The reversal of 1804022 is 2204081.

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 7 ways as a sum of consecutive naturals, for example, 8 + ... + 1899.

It is an arithmetic number, because the mean of its divisors is an integer number (188892).

2^1804022 is an apocalyptic number.

1804022 is a deficient number, since it is larger than the sum of its proper divisors (1218250).

1804022 is a wasteful number, since it uses less digits than its factorization.

1804022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1963.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1804022 is about 1343.1388610267. The cubic root of 1804022 is about 121.7345747962.

The spelling of 1804022 in words is "one million, eight hundred four thousand, twenty-two".