5554221 has 4 divisors (see below), whose sum is σ = 7405632. Its totient is φ = 3702812.

The previous prime is 5554207. The next prime is 5554231. The reversal of 5554221 is 1224555.

It is a happy number.

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 5554221 - 2⁷ = 5554093 is a prime.

It is a D-number.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 5554191 and 5554200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5554231) 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, 925701 + ... + 925706.

It is an arithmetic number, because the mean of its divisors is an integer number (1851408).

Almost surely, 2^5554221 is an apocalyptic number.

It is an amenable number.

5554221 is a deficient number, since it is larger than the sum of its proper divisors (1851411).

5554221 is a wasteful number, since it uses less digits than its factorization.

5554221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1851410.

The product of its digits is 2000, while the sum is 24.

The square root of 5554221 is about 2356.7394849665. The cubic root of 5554221 is about 177.0955786257.

Adding to 5554221 its reverse (1224555), we get a palindrome (6778776).

It can be divided in two parts, 5554 and 221, that added together give a palindrome (5775).

The spelling of 5554221 in words is "five million, five hundred fifty-four thousand, two hundred twenty-one".