2226865 has 8 divisors (see below), whose sum is σ = 2709288. Its totient is φ = 1756800.

The previous prime is 2226859. The next prime is 2226893. The reversal of 2226865 is 5686222.

2226865 is nontrivially palindromic in base 9.

It can be written as a sum of positive squares in 4 ways, for example, as 374544 + 1852321 = 612^2 + 1361^2 .

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

It is not a de Polignac number, because 2226865 - 2⁹ = 2226353 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2686 + ... + 3415.

It is an arithmetic number, because the mean of its divisors is an integer number (338661).

2^2226865 is an apocalyptic number.

It is an amenable number.

2226865 is a deficient number, since it is larger than the sum of its proper divisors (482423).

2226865 is an equidigital number, since it uses as much as digits as its factorization.

2226865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6179.

The product of its digits is 11520, while the sum is 31.

The square root of 2226865 is about 1492.2684074924. The cubic root of 2226865 is about 130.5864041249.

The spelling of 2226865 in words is "two million, two hundred twenty-six thousand, eight hundred sixty-five".