5587221 has 4 divisors (see below), whose sum is σ = 7449632. Its totient is φ = 3724812.

The previous prime is 5587199. The next prime is 5587249. The reversal of 5587221 is 1227855.

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 not a de Polignac number, because 5587221 - 2⁵ = 5587189 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5587261) 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, 931201 + ... + 931206.

It is an arithmetic number, because the mean of its divisors is an integer number (1862408).

Almost surely, 2^5587221 is an apocalyptic number.

It is an amenable number.

5587221 is a deficient number, since it is larger than the sum of its proper divisors (1862411).

5587221 is a wasteful number, since it uses less digits than its factorization.

5587221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1862410.

The product of its digits is 5600, while the sum is 30.

The square root of 5587221 is about 2363.7303145664. The cubic root of 5587221 is about 177.4456197892.

The spelling of 5587221 in words is "five million, five hundred eighty-seven thousand, two hundred twenty-one".