2266543 has 4 divisors (see below), whose sum is σ = 2300440. Its totient is φ = 2232648.

The previous prime is 2266531. The next prime is 2266549. The reversal of 2266543 is 3456622.

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 2266543 - 2¹³ = 2258351 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 (2266549) 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, 16848 + ... + 16981.

It is an arithmetic number, because the mean of its divisors is an integer number (575110).

2^2266543 is an apocalyptic number.

2266543 is a deficient number, since it is larger than the sum of its proper divisors (33897).

2266543 is an equidigital number, since it uses as much as digits as its factorization.

2266543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33896.

The product of its digits is 8640, while the sum is 28.

The square root of 2266543 is about 1505.5042344676. The cubic root of 2266543 is about 131.3574334282.

It can be divided in two parts, 2266 and 543, that added together give a square (2809 = 53²).

The spelling of 2266543 in words is "two million, two hundred sixty-six thousand, five hundred forty-three".