2242543 has 8 divisors (see below), whose sum is σ = 2308880. Its totient is φ = 2177280.

The previous prime is 2242529. The next prime is 2242549. The reversal of 2242543 is 3452422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2242543 - 2¹⁷ = 2111471 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2242549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5728 + ... + 6106.

It is an arithmetic number, because the mean of its divisors is an integer number (288610).

2^2242543 is an apocalyptic number.

2242543 is a deficient number, since it is larger than the sum of its proper divisors (66337).

2242543 is an equidigital number, since it uses as much as digits as its factorization.

2242543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537.

The product of its digits is 1920, while the sum is 22.

The square root of 2242543 is about 1497.5122704005. The cubic root of 2242543 is about 130.8921475014.

Adding to 2242543 its reverse (3452422), we get a palindrome (5694965).

The spelling of 2242543 in words is "two million, two hundred forty-two thousand, five hundred forty-three".