2291588 has 24 divisors (see below), whose sum is σ = 4365312. Its totient is φ = 1046304.

The previous prime is 2291581. The next prime is 2291591. The reversal of 2291588 is 8851922.

2291588 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2291581) 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 7 ways as a sum of consecutive naturals, for example, 6431 + ... + 6777.

It is an arithmetic number, because the mean of its divisors is an integer number (181888).

2^2291588 is an apocalyptic number.

It is an amenable number.

2291588 is a deficient number, since it is larger than the sum of its proper divisors (2073724).

2291588 is a wasteful number, since it uses less digits than its factorization.

2291588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491 (or 489 counting only the distinct ones).

The product of its digits is 11520, while the sum is 35.

The square root of 2291588 is about 1513.7991940809. The cubic root of 2291588 is about 131.8394896265.

The spelling of 2291588 in words is "two million, two hundred ninety-one thousand, five hundred eighty-eight".