2303144220 has 48 divisors (see below), whose sum is σ = 6944868000. Its totient is φ = 566927616.

The previous prime is 2303144219. The next prime is 2303144231. The reversal of 2303144220 is 224413032.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1475595 + ... + 1477154.

It is an arithmetic number, because the mean of its divisors is an integer number (144684750).

Almost surely, 2^2303144220 is an apocalyptic number.

2303144220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2303144220 is an abundant number, since it is smaller than the sum of its proper divisors (4641723780).

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

2303144220 is a wasteful number, since it uses less digits than its factorization.

2303144220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2952774 (or 2952772 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 2303144220 is about 47991.0847970745. The cubic root of 2303144220 is about 1320.6073536534.

Adding to 2303144220 its reverse (224413032), we get a palindrome (2527557252).

The spelling of 2303144220 in words is "two billion, three hundred three million, one hundred forty-four thousand, two hundred twenty".