2422543 has 2 divisors, whose sum is σ = 2422544. Its totient is φ = 2422542.

The previous prime is 2422531. The next prime is 2422547. The reversal of 2422543 is 3452242.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2422543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2422547) 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 as a sum of consecutive naturals, namely, 1211271 + 1211272.

It is an arithmetic number, because the mean of its divisors is an integer number (1211272).

2^2422543 is an apocalyptic number.

2422543 is a deficient number, since it is larger than the sum of its proper divisors (1).

2422543 is an equidigital number, since it uses as much as digits as its factorization.

2422543 is an odious number, because the sum of its binary digits is odd.

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

The square root of 2422543 is about 1556.4520551562. The cubic root of 2422543 is about 134.3044795285.

Adding to 2422543 its reverse (3452242), we get a palindrome (5874785).

The spelling of 2422543 in words is "two million, four hundred twenty-two thousand, five hundred forty-three".