2203781828 has 12 divisors (see below), whose sum is σ = 3864288960. Its totient is φ = 1099699272.

The previous prime is 2203781821. The next prime is 2203781849. The reversal of 2203781828 is 8281873022.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2203781821) 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, 545648 + ... + 549671.

It is an arithmetic number, because the mean of its divisors is an integer number (322024080).

Almost surely, 2^2203781828 is an apocalyptic number.

It is an amenable number.

2203781828 is a deficient number, since it is larger than the sum of its proper divisors (1660507132).

2203781828 is a wasteful number, since it uses less digits than its factorization.

2203781828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1095826 (or 1095824 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 41.

The square root of 2203781828 is about 46944.4547097951. The cubic root of 2203781828 is about 1301.3362646472.

The spelling of 2203781828 in words is "two billion, two hundred three million, seven hundred eighty-one thousand, eight hundred twenty-eight".