2281810828 has 24 divisors (see below), whose sum is σ = 4506400080. Its totient is φ = 1001421120.

The previous prime is 2281810823. The next prime is 2281810829. The reversal of 2281810828 is 8280181822.

It is not an unprimeable number, because it can be changed into a prime (2281810823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 892851 + ... + 895402.

It is an arithmetic number, because the mean of its divisors is an integer number (187766670).

Almost surely, 2^2281810828 is an apocalyptic number.

It is an amenable number.

2281810828 is a deficient number, since it is larger than the sum of its proper divisors (2224589252).

2281810828 is a wasteful number, since it uses less digits than its factorization.

2281810828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1788297 (or 1788295 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 40.

The square root of 2281810828 is about 47768.3035913983. The cubic root of 2281810828 is about 1316.5172246206.

The spelling of 2281810828 in words is "two billion, two hundred eighty-one million, eight hundred ten thousand, eight hundred twenty-eight".