1830228 has 12 divisors (see below), whose sum is σ = 4270560. Its totient is φ = 610072.

The previous prime is 1830223. The next prime is 1830253. The reversal of 1830228 is 8220381.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×1830228³ = 18392333799012037056, which contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1830198 and 1830207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1830223) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 76248 + ... + 76271.

It is an arithmetic number, because the mean of its divisors is an integer number (355880).

2^1830228 is an apocalyptic number.

It is an amenable number.

1830228 is an abundant number, since it is smaller than the sum of its proper divisors (2440332).

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

1830228 is a wasteful number, since it uses less digits than its factorization.

1830228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152526 (or 152524 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 1830228 is about 1352.8591944471. The cubic root of 1830228 is about 122.3211996535.

The spelling of 1830228 in words is "one million, eight hundred thirty thousand, two hundred twenty-eight".