2291235 has 16 divisors (see below), whose sum is σ = 3704064. Its totient is φ = 1209312.

The previous prime is 2291231. The next prime is 2291239. The reversal of 2291235 is 5321922.

2291235 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2291231) and next prime (2291239).

It is not a de Polignac number, because 2291235 - 2² = 2291231 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2291231) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 804 + ... + 2286.

It is an arithmetic number, because the mean of its divisors is an integer number (231504).

2^2291235 is an apocalyptic number.

2291235 is a deficient number, since it is larger than the sum of its proper divisors (1412829).

2291235 is a wasteful number, since it uses less digits than its factorization.

2291235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1594.

The product of its digits is 1080, while the sum is 24.

The square root of 2291235 is about 1513.6825955266. The cubic root of 2291235 is about 131.8327196880.

The spelling of 2291235 in words is "two million, two hundred ninety-one thousand, two hundred thirty-five".