2231994 has 8 divisors (see below), whose sum is σ = 4464000. Its totient is φ = 743996.

The previous prime is 2231941. The next prime is 2232017. The reversal of 2231994 is 4991322.

It is a sphenic number, since it is the product of 3 distinct primes.

2231994 is an admirable number.

It is a super-3 number, since 3×2231994³ = 33358024486227167352, which contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185994 + ... + 186005.

It is an arithmetic number, because the mean of its divisors is an integer number (558000).

2^2231994 is an apocalyptic number.

2231994 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2231994 is a wasteful number, since it uses less digits than its factorization.

2231994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372004.

The product of its digits is 3888, while the sum is 30.

The square root of 2231994 is about 1493.9859437090. The cubic root of 2231994 is about 130.6865844389.

The spelling of 2231994 in words is "two million, two hundred thirty-one thousand, nine hundred ninety-four".