2266765 has 12 divisors (see below), whose sum is σ = 2846844. Its totient is φ = 1732544.

The previous prime is 2266753. The next prime is 2266769. The reversal of 2266765 is 5676622.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1542564 + 724201 = 1242^2 + 851^2 .

It is not a de Polignac number, because 2266765 - 2⁷ = 2266637 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2266765.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2266769) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2217 + ... + 3073.

It is an arithmetic number, because the mean of its divisors is an integer number (237237).

2^2266765 is an apocalyptic number.

It is an amenable number.

2266765 is a deficient number, since it is larger than the sum of its proper divisors (580079).

2266765 is an equidigital number, since it uses as much as digits as its factorization.

2266765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908 (or 885 counting only the distinct ones).

The product of its digits is 30240, while the sum is 34.

The square root of 2266765 is about 1505.5779621129. The cubic root of 2266765 is about 131.3617219560.

The spelling of 2266765 in words is "two million, two hundred sixty-six thousand, seven hundred sixty-five".