2297765 has 16 divisors (see below), whose sum is σ = 2953920. Its totient is φ = 1715472.

The previous prime is 2297761. The next prime is 2297777. The reversal of 2297765 is 5677922.

2297765 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2297765 - 2² = 2297761 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2297761) 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, 34262 + ... + 34328.

It is an arithmetic number, because the mean of its divisors is an integer number (184620).

2^2297765 is an apocalyptic number.

It is an amenable number.

2297765 is a deficient number, since it is larger than the sum of its proper divisors (656155).

2297765 is an frugal number, since it uses more digits than its factorization.

2297765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129 (or 91 counting only the distinct ones).

The product of its digits is 52920, while the sum is 38.

The square root of 2297765 is about 1515.8380520359. The cubic root of 2297765 is about 131.9578416026.

The spelling of 2297765 in words is "two million, two hundred ninety-seven thousand, seven hundred sixty-five".