2225242543 has 2 divisors, whose sum is σ = 2225242544. Its totient is φ = 2225242542.

The previous prime is 2225242541. The next prime is 2225242553. The reversal of 2225242543 is 3452425222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2225242543 - 2¹ = 2225242541 is a prime.

Together with 2225242541, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2225242541) 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, 1112621271 + 1112621272.

It is an arithmetic number, because the mean of its divisors is an integer number (1112621272).

Almost surely, 2^2225242543 is an apocalyptic number.

2225242543 is a deficient number, since it is larger than the sum of its proper divisors (1).

2225242543 is an equidigital number, since it uses as much as digits as its factorization.

2225242543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38400, while the sum is 31.

The square root of 2225242543 is about 47172.4765408813. The cubic root of 2225242543 is about 1305.5468205500.

Adding to 2225242543 its reverse (3452425222), we get a palindrome (5677667765).

The spelling of 2225242543 in words is "two billion, two hundred twenty-five million, two hundred forty-two thousand, five hundred forty-three".