2238543 has 16 divisors (see below), whose sum is σ = 3512160. Its totient is φ = 1404288.

The previous prime is 2238529. The next prime is 2238557. The reversal of 2238543 is 3458322.

It is an interprime number because it is at equal distance from previous prime (2238529) and next prime (2238557).

It is not a de Polignac number, because 2238543 - 2⁴ = 2238527 is a prime.

It is a super-2 number, since 2×2238543² = 10022149525698, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a d-powerful number, because it can be written as 2⁵ + 2²¹ + 3⁴ + 8 + 5⁷ + 4⁶ + 3¹⁰ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2238043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1980 + ... + 2897.

It is an arithmetic number, because the mean of its divisors is an integer number (219510).

2^2238543 is an apocalyptic number.

2238543 is a deficient number, since it is larger than the sum of its proper divisors (1273617).

2238543 is a wasteful number, since it uses less digits than its factorization.

2238543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4903 (or 4897 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 2238543 is about 1496.1761259959. The cubic root of 2238543 is about 130.8142775426.

The spelling of 2238543 in words is "two million, two hundred thirty-eight thousand, five hundred forty-three".