1845228 has 48 divisors (see below), whose sum is σ = 5370624. Its totient is φ = 479040.

The previous prime is 1845211. The next prime is 1845229. The reversal of 1845228 is 8225481.

It is a junction number, because it is equal to n+sod(n) for n = 1845195 and 1845204.

It is not an unprimeable number, because it can be changed into a prime (1845229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75 + ... + 1922.

It is an arithmetic number, because the mean of its divisors is an integer number (111888).

2^1845228 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1845228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2685312).

1845228 is an abundant number, since it is smaller than the sum of its proper divisors (3525396).

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

1845228 is a wasteful number, since it uses less digits than its factorization.

1845228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2022 (or 2020 counting only the distinct ones).

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

The square root of 1845228 is about 1358.3916960877. The cubic root of 1845228 is about 122.6544601643.

The spelling of 1845228 in words is "one million, eight hundred forty-five thousand, two hundred twenty-eight".