5221544 has 16 divisors (see below), whose sum is σ = 9925620. Its totient is φ = 2574720.

The previous prime is 5221543. The next prime is 5221549. The reversal of 5221544 is 4451225.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5152900 + 68644 = 2270^2 + 262^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5221543) 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, 3887 + ... + 5054.

Almost surely, 2^5221544 is an apocalyptic number.

It is an amenable number.

5221544 is a deficient number, since it is larger than the sum of its proper divisors (4704076).

5221544 is a wasteful number, since it uses less digits than its factorization.

5221544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9020 (or 9016 counting only the distinct ones).

The product of its digits is 1600, while the sum is 23.

The square root of 5221544 is about 2285.0698019973. The cubic root of 5221544 is about 173.4867510860.

Adding to 5221544 its reverse (4451225), we get a palindrome (9672769).

The spelling of 5221544 in words is "five million, two hundred twenty-one thousand, five hundred forty-four".