1812834228 has 24 divisors (see below), whose sum is σ = 4233647488. Its totient is φ = 603749376.

The previous prime is 1812834193. The next prime is 1812834241. The reversal of 1812834228 is 8224382181.

1812834228 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51676 + ... + 79347.

Almost surely, 2^1812834228 is an apocalyptic number.

It is an amenable number.

1812834228 is an abundant number, since it is smaller than the sum of its proper divisors (2420813260).

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

1812834228 is a wasteful number, since it uses less digits than its factorization.

1812834228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132183 (or 132181 counting only the distinct ones).

The product of its digits is 49152, while the sum is 39.

The square root of 1812834228 is about 42577.3910426649. The cubic root of 1812834228 is about 1219.3246795523.

The spelling of 1812834228 in words is "one billion, eight hundred twelve million, eight hundred thirty-four thousand, two hundred twenty-eight".