5543322221 has 4 divisors (see below), whose sum is σ = 5678525244. Its totient is φ = 5408119200.

The previous prime is 5543322151. The next prime is 5543322227. The reversal of 5543322221 is 1222233455.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3078696196 + 2464626025 = 55486^2 + 49645^2 .

It is a cyclic number.

It is not a de Polignac number, because 5543322221 - 2¹⁰ = 5543321197 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5543322227) 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, 67601450 + ... + 67601531.

It is an arithmetic number, because the mean of its divisors is an integer number (1419631311).

Almost surely, 2^5543322221 is an apocalyptic number.

It is an amenable number.

5543322221 is a deficient number, since it is larger than the sum of its proper divisors (135203023).

5543322221 is a wasteful number, since it uses less digits than its factorization.

5543322221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135203022.

The product of its digits is 14400, while the sum is 29.

The square root of 5543322221 is about 74453.4903211394. The cubic root of 5543322221 is about 1769.7966741662.

Adding to 5543322221 its reverse (1222233455), we get a palindrome (6765555676).

The spelling of 5543322221 in words is "five billion, five hundred forty-three million, three hundred twenty-two thousand, two hundred twenty-one".