2212543543 has 16 divisors (see below), whose sum is σ = 2594606080. Its totient is φ = 1847222496.

The previous prime is 2212543517. The next prime is 2212543549. The reversal of 2212543543 is 3453452122.

2212543543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2212543543 - 2⁹ = 2212543031 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 (2212543549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100453 + ... + 120481.

It is an arithmetic number, because the mean of its divisors is an integer number (162162880).

Almost surely, 2^2212543543 is an apocalyptic number.

2212543543 is a deficient number, since it is larger than the sum of its proper divisors (382062537).

2212543543 is a wasteful number, since it uses less digits than its factorization.

2212543543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20446.

The product of its digits is 28800, while the sum is 31.

The square root of 2212543543 is about 47037.6821601575. The cubic root of 2212543543 is about 1303.0585858172.

Adding to 2212543543 its reverse (3453452122), we get a palindrome (5665995665).

The spelling of 2212543543 in words is "two billion, two hundred twelve million, five hundred forty-three thousand, five hundred forty-three".