5234342221 has 4 divisors (see below), whose sum is σ = 5234676192. Its totient is φ = 5234008252.

The previous prime is 5234342207. The next prime is 5234342249. The reversal of 5234342221 is 1222434325.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5234342221 - 2⁵ = 5234342189 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5234342221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5234342251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142255 + ... + 175228.

It is an arithmetic number, because the mean of its divisors is an integer number (1308669048).

Almost surely, 2^5234342221 is an apocalyptic number.

It is an amenable number.

5234342221 is a deficient number, since it is larger than the sum of its proper divisors (333971).

5234342221 is a wasteful number, since it uses less digits than its factorization.

5234342221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333970.

The product of its digits is 11520, while the sum is 28.

The square root of 5234342221 is about 72348.7541081393. The cubic root of 5234342221 is about 1736.2837651414.

Adding to 5234342221 its reverse (1222434325), we get a palindrome (6456776546).

The spelling of 5234342221 in words is "five billion, two hundred thirty-four million, three hundred forty-two thousand, two hundred twenty-one".