2231968 has 24 divisors (see below), whose sum is σ = 4626720. Its totient is φ = 1056960.

The previous prime is 2231941. The next prime is 2232017. The reversal of 2231968 is 8691322.

It is a super-3 number, since 3×2231968³ = 33356858759258013696, which contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1228 + ... + 2443.

It is an arithmetic number, because the mean of its divisors is an integer number (192780).

2^2231968 is an apocalyptic number.

It is an amenable number.

2231968 is an abundant number, since it is smaller than the sum of its proper divisors (2394752).

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

2231968 is a wasteful number, since it uses less digits than its factorization.

2231968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3700 (or 3692 counting only the distinct ones).

The product of its digits is 5184, while the sum is 31.

The square root of 2231968 is about 1493.9772421292. The cubic root of 2231968 is about 130.6860769906.

The spelling of 2231968 in words is "two million, two hundred thirty-one thousand, nine hundred sixty-eight".