5441405221 has 4 divisors (see below), whose sum is σ = 6218748832. Its totient is φ = 4664061612.

The previous prime is 5441405183. The next prime is 5441405243. The reversal of 5441405221 is 1225041445.

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 not a de Polignac number, because 5441405221 - 2¹¹ = 5441403173 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 5441405221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5441405261) 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, 388671795 + ... + 388671808.

It is an arithmetic number, because the mean of its divisors is an integer number (1554687208).

Almost surely, 2^5441405221 is an apocalyptic number.

It is an amenable number.

5441405221 is a deficient number, since it is larger than the sum of its proper divisors (777343611).

5441405221 is an equidigital number, since it uses as much as digits as its factorization.

5441405221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777343610.

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 5441405221 is about 73765.8811443339. The cubic root of 5441405221 is about 1758.8832900757.

Adding to 5441405221 its reverse (1225041445), we get a palindrome (6666446666).

The spelling of 5441405221 in words is "five billion, four hundred forty-one million, four hundred five thousand, two hundred twenty-one".