2287189 has 8 divisors (see below), whose sum is σ = 2401920. Its totient is φ = 2173776.

The previous prime is 2287183. The next prime is 2287193. The reversal of 2287189 is 9817822.

2287189 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.

It is not a de Polignac number, because 2287189 - 2¹¹ = 2285141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2287183) 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, 6192 + ... + 6550.

It is an arithmetic number, because the mean of its divisors is an integer number (300240).

2^2287189 is an apocalyptic number.

It is an amenable number.

2287189 is a deficient number, since it is larger than the sum of its proper divisors (114731).

2287189 is a wasteful number, since it uses less digits than its factorization.

2287189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659.

The product of its digits is 16128, while the sum is 37.

The square root of 2287189 is about 1512.3455293021. The cubic root of 2287189 is about 131.7550745957.

The spelling of 2287189 in words is "two million, two hundred eighty-seven thousand, one hundred eighty-nine".