5387221 has 8 divisors (see below), whose sum is σ = 6424704. Its totient is φ = 4416720.

The previous prime is 5387201. The next prime is 5387233. The reversal of 5387221 is 1227835.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5387221 - 2⁵ = 5387189 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5387221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5387201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16570 + ... + 16891.

It is an arithmetic number, because the mean of its divisors is an integer number (803088).

Almost surely, 2^5387221 is an apocalyptic number.

It is an amenable number.

5387221 is a deficient number, since it is larger than the sum of its proper divisors (1037483).

5387221 is a wasteful number, since it uses less digits than its factorization.

5387221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33491.

The product of its digits is 3360, while the sum is 28.

The square root of 5387221 is about 2321.0387760656. The cubic root of 5387221 is about 175.3025623045.

The spelling of 5387221 in words is "five million, three hundred eighty-seven thousand, two hundred twenty-one".