2271301812 has 54 divisors (see below), whose sum is σ = 6185796162. Its totient is φ = 698544864.

The previous prime is 2271301807. The next prime is 2271301841. The reversal of 2271301812 is 2181031722.

It can be written as a sum of positive squares in only one way, i.e., 1572439716 + 698862096 = 39654^2 + 26436^2 .

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 17 ways as a sum of consecutive naturals, for example, 1029903 + ... + 1032105.

Almost surely, 2^2271301812 is an apocalyptic number.

It is an amenable number.

2271301812 is an abundant number, since it is smaller than the sum of its proper divisors (3914494350).

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

2271301812 is a wasteful number, since it uses less digits than its factorization.

2271301812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4429 (or 2221 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 2271301812 is about 47658.1767590830. The cubic root of 2271301812 is about 1314.4930143329.

The spelling of 2271301812 in words is "two billion, two hundred seventy-one million, three hundred one thousand, eight hundred twelve".