2236571872 has 48 divisors (see below), whose sum is σ = 4597084800. Its totient is φ = 1069770240.

The previous prime is 2236571803. The next prime is 2236571873. The reversal of 2236571872 is 2781756322.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2236571873) 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 7 ways as a sum of consecutive naturals, for example, 90097 + ... + 112207.

It is an arithmetic number, because the mean of its divisors is an integer number (95772600).

Almost surely, 2^2236571872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2236571872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2298542400).

2236571872 is an abundant number, since it is smaller than the sum of its proper divisors (2360512928).

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

2236571872 is a wasteful number, since it uses less digits than its factorization.

2236571872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22259 (or 22251 counting only the distinct ones).

The product of its digits is 282240, while the sum is 43.

The square root of 2236571872 is about 47292.4081856697. The cubic root of 2236571872 is about 1307.7587050648.

The spelling of 2236571872 in words is "two billion, two hundred thirty-six million, five hundred seventy-one thousand, eight hundred seventy-two".