2231903968 has 48 divisors (see below), whose sum is σ = 5040451584. Its totient is φ = 952974720.

The previous prime is 2231903911. The next prime is 2231904011. The reversal of 2231903968 is 8693091322.

It is a super-3 number, since 3×2231903968³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42321 + ... + 79087.

It is an arithmetic number, because the mean of its divisors is an integer number (105009408).

Almost surely, 2^2231903968 is an apocalyptic number.

2231903968 is a gapful number since it is divisible by the number (28) 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 2231903968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2520225792).

2231903968 is an abundant number, since it is smaller than the sum of its proper divisors (2808547616).

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

2231903968 is a wasteful number, since it uses less digits than its factorization.

2231903968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37055 (or 37047 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 2231903968 is about 47243.0308934556. The cubic root of 2231903968 is about 1306.8482724586.

The spelling of 2231903968 in words is "two billion, two hundred thirty-one million, nine hundred three thousand, nine hundred sixty-eight".