2288742 has 16 divisors (see below), whose sum is σ = 4594800. Its totient is φ = 760032.

The previous prime is 2288731. The next prime is 2288747. The reversal of 2288742 is 2478822.

2288742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2288747) 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, 1548 + ... + 2640.

It is an arithmetic number, because the mean of its divisors is an integer number (287175).

2^2288742 is an apocalyptic number.

2288742 is an abundant number, since it is smaller than the sum of its proper divisors (2306058).

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

2288742 is a wasteful number, since it uses less digits than its factorization.

2288742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1447.

The product of its digits is 14336, while the sum is 33.

The square root of 2288742 is about 1512.8588830423. The cubic root of 2288742 is about 131.7848883885.

The spelling of 2288742 in words is "two million, two hundred eighty-eight thousand, seven hundred forty-two".