2289775 has 6 divisors (see below), whose sum is σ = 2839352. Its totient is φ = 1831800.

The previous prime is 2289773. The next prime is 2289779. The reversal of 2289775 is 5779822.

It is not a de Polignac number, because 2289775 - 2¹ = 2289773 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 (2289773) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45771 + ... + 45820.

2^2289775 is an apocalyptic number.

2289775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2289775 is a deficient number, since it is larger than the sum of its proper divisors (549577).

2289775 is an equidigital number, since it uses as much as digits as its factorization.

2289775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91601 (or 91596 counting only the distinct ones).

The product of its digits is 70560, while the sum is 40.

The square root of 2289775 is about 1513.2002511234. The cubic root of 2289775 is about 131.8047119880.

The spelling of 2289775 in words is "two million, two hundred eighty-nine thousand, seven hundred seventy-five".