5315443221 has 32 divisors (see below), whose sum is σ = 8101463040. Its totient is φ = 3068524800.

The previous prime is 5315443183. The next prime is 5315443253. The reversal of 5315443221 is 1223445135.

It is not a de Polignac number, because 5315443221 - 2⁶ = 5315443157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5315443291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 168390 + ... + 197448.

It is an arithmetic number, because the mean of its divisors is an integer number (253170720).

Almost surely, 2^5315443221 is an apocalyptic number.

It is an amenable number.

5315443221 is a deficient number, since it is larger than the sum of its proper divisors (2786019819).

5315443221 is a wasteful number, since it uses less digits than its factorization.

5315443221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29337.

The product of its digits is 14400, while the sum is 30.

The square root of 5315443221 is about 72907.0862193793. The cubic root of 5315443221 is about 1745.2051844779.

Adding to 5315443221 its reverse (1223445135), we get a palindrome (6538888356).

The spelling of 5315443221 in words is "five billion, three hundred fifteen million, four hundred forty-three thousand, two hundred twenty-one".