5357221 has 4 divisors (see below), whose sum is σ = 5639200. Its totient is φ = 5075244.

The previous prime is 5357207. The next prime is 5357237. The reversal of 5357221 is 1227535.

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 5357221 - 2⁹ = 5356709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5354221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140961 + ... + 140998.

It is an arithmetic number, because the mean of its divisors is an integer number (1409800).

Almost surely, 2^5357221 is an apocalyptic number.

It is an amenable number.

5357221 is a deficient number, since it is larger than the sum of its proper divisors (281979).

5357221 is a wasteful number, since it uses less digits than its factorization.

5357221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281978.

The product of its digits is 2100, while the sum is 25.

The square root of 5357221 is about 2314.5671301563. The cubic root of 5357221 is about 174.9765519604.

The spelling of 5357221 in words is "five million, three hundred fifty-seven thousand, two hundred twenty-one".