5409221 has 4 divisors (see below), whose sum is σ = 5583744. Its totient is φ = 5234700.

The previous prime is 5409203. The next prime is 5409241. The reversal of 5409221 is 1229045.

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 5409221 - 2¹⁴ = 5392837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5409241) 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, 87215 + ... + 87276.

It is an arithmetic number, because the mean of its divisors is an integer number (1395936).

Almost surely, 2^5409221 is an apocalyptic number.

It is an amenable number.

5409221 is a deficient number, since it is larger than the sum of its proper divisors (174523).

5409221 is a wasteful number, since it uses less digits than its factorization.

5409221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174522.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 5409221 is about 2325.7732047644. The cubic root of 5409221 is about 175.5408681268.

The spelling of 5409221 in words is "five million, four hundred nine thousand, two hundred twenty-one".