2522212543 has 4 divisors (see below), whose sum is σ = 2522366640. Its totient is φ = 2522058448.

The previous prime is 2522212529. The next prime is 2522212547. The reversal of 2522212543 is 3452122252.

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 2522212543 - 2⁹ = 2522212031 is a prime.

It is a super-2 number, since 2×2522212543² = 12723112224133053698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2522212547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49123 + ... + 86356.

It is an arithmetic number, because the mean of its divisors is an integer number (630591660).

Almost surely, 2^2522212543 is an apocalyptic number.

2522212543 is a deficient number, since it is larger than the sum of its proper divisors (154097).

2522212543 is a wasteful number, since it uses less digits than its factorization.

2522212543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154096.

The product of its digits is 9600, while the sum is 28.

The square root of 2522212543 is about 50221.6342127574. The cubic root of 2522212543 is about 1361.2165698219.

Adding to 2522212543 its reverse (3452122252), we get a palindrome (5974334795).

The spelling of 2522212543 in words is "two billion, five hundred twenty-two million, two hundred twelve thousand, five hundred forty-three".