2238865 has 8 divisors (see below), whose sum is σ = 2828160. Its totient is φ = 1696752.

The previous prime is 2238823. The next prime is 2238931. The reversal of 2238865 is 5688322.

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 2238865 - 2¹³ = 2230673 is a prime.

2238865 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2238865.

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, 11689 + ... + 11878.

It is an arithmetic number, because the mean of its divisors is an integer number (353520).

2^2238865 is an apocalyptic number.

It is an amenable number.

2238865 is a deficient number, since it is larger than the sum of its proper divisors (589295).

2238865 is a wasteful number, since it uses less digits than its factorization.

2238865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23591.

The product of its digits is 23040, while the sum is 34.

The square root of 2238865 is about 1496.2837297785. The cubic root of 2238865 is about 130.8205495057.

The spelling of 2238865 in words is "two million, two hundred thirty-eight thousand, eight hundred sixty-five".