2231643596 has 48 divisors (see below), whose sum is σ = 4818918720. Its totient is φ = 880588800.

The previous prime is 2231643559. The next prime is 2231643643. The reversal of 2231643596 is 6953461322.

It is a super-3 number, since 3×2231643596³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138320 + ... + 153608.

It is an arithmetic number, because the mean of its divisors is an integer number (100394140).

Almost surely, 2^2231643596 is an apocalyptic number.

2231643596 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2231643596, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2409459360).

2231643596 is an abundant number, since it is smaller than the sum of its proper divisors (2587275124).

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

2231643596 is a wasteful number, since it uses less digits than its factorization.

2231643596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15714 (or 15712 counting only the distinct ones).

The product of its digits is 233280, while the sum is 41.

The square root of 2231643596 is about 47240.2751473782. The cubic root of 2231643596 is about 1306.7974518833.

The spelling of 2231643596 in words is "two billion, two hundred thirty-one million, six hundred forty-three thousand, five hundred ninety-six".