5471221 has 16 divisors (see below), whose sum is σ = 6799360. Its totient is φ = 4296240.

The previous prime is 5471209. The next prime is 5471233. The reversal of 5471221 is 1221745.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5471209) and next prime (5471233).

It is a cyclic number.

It is not a de Polignac number, because 5471221 - 2²¹ = 3374069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5471192 and 5471201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5471201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3460 + ... + 4786.

It is an arithmetic number, because the mean of its divisors is an integer number (424960).

Almost surely, 2^5471221 is an apocalyptic number.

It is an amenable number.

5471221 is a deficient number, since it is larger than the sum of its proper divisors (1328139).

5471221 is a wasteful number, since it uses less digits than its factorization.

5471221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1384.

The product of its digits is 560, while the sum is 22.

The square root of 5471221 is about 2339.0641290909. The cubic root of 5471221 is about 176.2089997349.

Adding to 5471221 its reverse (1221745), we get a palindrome (6692966).

The spelling of 5471221 in words is "five million, four hundred seventy-one thousand, two hundred twenty-one".