2291338 has 24 divisors (see below), whose sum is σ = 4054752. Its totient is φ = 968184.

The previous prime is 2291327. The next prime is 2291347. The reversal of 2291338 is 8331922.

2291338 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11 ways as a sum of consecutive naturals, for example, 9981 + ... + 10207.

It is an arithmetic number, because the mean of its divisors is an integer number (168948).

2^2291338 is an apocalyptic number.

2291338 is a deficient number, since it is larger than the sum of its proper divisors (1763414).

2291338 is a wasteful number, since it uses less digits than its factorization.

2291338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346 (or 339 counting only the distinct ones).

The product of its digits is 2592, while the sum is 28.

The square root of 2291338 is about 1513.7166181290. The cubic root of 2291338 is about 131.8346951243.

The spelling of 2291338 in words is "two million, two hundred ninety-one thousand, three hundred thirty-eight".