226543 has 4 divisors (see below), whose sum is σ = 228888. Its totient is φ = 224200.

The previous prime is 226531. The next prime is 226547. The reversal of 226543 is 345622.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 226543 - 2⁵ = 226511 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 (226547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1021 + ... + 1222.

It is an arithmetic number, because the mean of its divisors is an integer number (57222).

2²²⁶⁵⁴³ is an apocalyptic number.

226543 is a deficient number, since it is larger than the sum of its proper divisors (2345).

226543 is a wasteful number, since it uses less digits than its factorization.

226543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2344.

The product of its digits is 1440, while the sum is 22.

The square root of 226543 is about 475.9653348722. The cubic root of 226543 is about 60.9607379705.

The spelling of 226543 in words is "two hundred twenty-six thousand, five hundred forty-three".