2238665 has 32 divisors (see below), whose sum is σ = 3290112. Its totient is φ = 1440000.

The previous prime is 2238661. The next prime is 2238673. The reversal of 2238665 is 5668322.

It is not a de Polignac number, because 2238665 - 2² = 2238661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2238661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22115 + ... + 22215.

It is an arithmetic number, because the mean of its divisors is an integer number (102816).

2^2238665 is an apocalyptic number.

It is an amenable number.

2238665 is a deficient number, since it is larger than the sum of its proper divisors (1051447).

2238665 is a wasteful number, since it uses less digits than its factorization.

2238665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161.

The product of its digits is 17280, while the sum is 32.

The square root of 2238665 is about 1496.2168960415. The cubic root of 2238665 is about 130.8166539472.

It can be divided in two parts, 223 and 8665, that added together give a palindrome (8888).

The spelling of 2238665 in words is "two million, two hundred thirty-eight thousand, six hundred sixty-five".