2238443 has 4 divisors (see below), whose sum is σ = 2254920. Its totient is φ = 2221968.

The previous prime is 2238421. The next prime is 2238473. The reversal of 2238443 is 3448322.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2238443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2238413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8033 + ... + 8306.

It is an arithmetic number, because the mean of its divisors is an integer number (563730).

2^2238443 is an apocalyptic number.

2238443 is a deficient number, since it is larger than the sum of its proper divisors (16477).

2238443 is a wasteful number, since it uses less digits than its factorization.

2238443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16476.

The product of its digits is 4608, while the sum is 26.

The square root of 2238443 is about 1496.1427070972. The cubic root of 2238443 is about 130.8123296055.

The spelling of 2238443 in words is "two million, two hundred thirty-eight thousand, four hundred forty-three".