2238871 has 4 divisors (see below), whose sum is σ = 2243512. Its totient is φ = 2234232.

The previous prime is 2238823. The next prime is 2238931. The reversal of 2238871 is 1788322.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1788322 = 2 ⋅894161.

It is a cyclic number.

It is not a de Polignac number, because 2238871 - 2⁹ = 2238359 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 (2238811) 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, 1500 + ... + 2593.

It is an arithmetic number, because the mean of its divisors is an integer number (560878).

2^2238871 is an apocalyptic number.

2238871 is a deficient number, since it is larger than the sum of its proper divisors (4641).

2238871 is an equidigital number, since it uses as much as digits as its factorization.

2238871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4640.

The product of its digits is 5376, while the sum is 31.

The square root of 2238871 is about 1496.2857347445. The cubic root of 2238871 is about 130.8206663689.

The spelling of 2238871 in words is "two million, two hundred thirty-eight thousand, eight hundred seventy-one".