2231594872 has 32 divisors (see below), whose sum is σ = 4702027680. Its totient is φ = 985184640.

The previous prime is 2231594857. The next prime is 2231594873. The reversal of 2231594872 is 2784951322.

It is a super-3 number, since 3×2231594872³ (a number of 29 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231594873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 464079 + ... + 468862.

It is an arithmetic number, because the mean of its divisors is an integer number (146938365).

Almost surely, 2^2231594872 is an apocalyptic number.

It is an amenable number.

2231594872 is an abundant number, since it is smaller than the sum of its proper divisors (2470432808).

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

2231594872 is a wasteful number, since it uses less digits than its factorization.

2231594872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932983 (or 932979 counting only the distinct ones).

The product of its digits is 241920, while the sum is 43.

The square root of 2231594872 is about 47239.7594405391. The cubic root of 2231594872 is about 1306.7879412752.

The spelling of 2231594872 in words is "two billion, two hundred thirty-one million, five hundred ninety-four thousand, eight hundred seventy-two".