1804922 has 8 divisors (see below), whose sum is σ = 3094176. Its totient is φ = 773532.

The previous prime is 1804921. The next prime is 1804927. The reversal of 1804922 is 2294081.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1804891 and 1804900.

It is not an unprimeable number, because it can be changed into a prime (1804921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64448 + ... + 64475.

It is an arithmetic number, because the mean of its divisors is an integer number (386772).

2^1804922 is an apocalyptic number.

1804922 is a deficient number, since it is larger than the sum of its proper divisors (1289254).

1804922 is a wasteful number, since it uses less digits than its factorization.

1804922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128932.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 1804922 is about 1343.4738553467. The cubic root of 1804922 is about 121.7548152927.

The spelling of 1804922 in words is "one million, eight hundred four thousand, nine hundred twenty-two".