5442221 has 4 divisors (see below), whose sum is σ = 5518944. Its totient is φ = 5365500.

The previous prime is 5442197. The next prime is 5442233. The reversal of 5442221 is 1222445.

It is a happy number.

5442221 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 5442221 - 2¹⁰ = 5441197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 5442193 and 5442202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5442121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38255 + ... + 38396.

It is an arithmetic number, because the mean of its divisors is an integer number (1379736).

Almost surely, 2^5442221 is an apocalyptic number.

It is an amenable number.

5442221 is a deficient number, since it is larger than the sum of its proper divisors (76723).

5442221 is an equidigital number, since it uses as much as digits as its factorization.

5442221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76722.

The product of its digits is 640, while the sum is 20.

The square root of 5442221 is about 2332.8568322981. The cubic root of 5442221 is about 175.8971183325.

Adding to 5442221 its reverse (1222445), we get a palindrome (6664666).

The spelling of 5442221 in words is "five million, four hundred forty-two thousand, two hundred twenty-one".