2266865 has 8 divisors (see below), whose sum is σ = 2880360. Its totient is φ = 1706752.

The previous prime is 2266861. The next prime is 2266883. The reversal of 2266865 is 5686622.

2266865 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1168561 + 1098304 = 1081^2 + 1048^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2266865 - 2² = 2266861 is a prime.

It is a d-powerful number, because it can be written as 2⁹ + 2¹⁵ + 6 + 6 + 8³ + 6⁷ + 5⁹ .

It is not an unprimeable number, because it can be changed into a prime (2266861) 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, 13250 + ... + 13419.

It is an arithmetic number, because the mean of its divisors is an integer number (360045).

2^2266865 is an apocalyptic number.

It is an amenable number.

2266865 is a deficient number, since it is larger than the sum of its proper divisors (613495).

2266865 is a wasteful number, since it uses less digits than its factorization.

2266865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26691.

The product of its digits is 34560, while the sum is 35.

The square root of 2266865 is about 1505.6111715845. The cubic root of 2266865 is about 131.3636536338.

The spelling of 2266865 in words is "two million, two hundred sixty-six thousand, eight hundred sixty-five".