2231742 has 8 divisors (see below), whose sum is σ = 4463496. Its totient is φ = 743912.

The previous prime is 2231737. The next prime is 2231767. The reversal of 2231742 is 2471322.

2231742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

2231742 is an admirable number.

It is a super-3 number, since 3×2231742³ = 33346727045758111464, which contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185973 + ... + 185984.

It is an arithmetic number, because the mean of its divisors is an integer number (557937).

2^2231742 is an apocalyptic number.

2231742 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.

2231742 is a wasteful number, since it uses less digits than its factorization.

2231742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371962.

The product of its digits is 672, while the sum is 21.

The square root of 2231742 is about 1493.9016031854. The cubic root of 2231742 is about 130.6816659282.

The spelling of 2231742 in words is "two million, two hundred thirty-one thousand, seven hundred forty-two".