5817221 has 8 divisors (see below), whose sum is σ = 5950560. Its totient is φ = 5685552.

The previous prime is 5817209. The next prime is 5817233. The reversal of 5817221 is 1227185.

It is an interprime number because it is at equal distance from previous prime (5817209) and next prime (5817233).

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

It is a cyclic number.

It is not a de Polignac number, because 5817221 - 2²² = 1622917 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 (5816221) 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, 8726 + ... + 9368.

It is an arithmetic number, because the mean of its divisors is an integer number (743820).

Almost surely, 2^5817221 is an apocalyptic number.

It is an amenable number.

5817221 is a deficient number, since it is larger than the sum of its proper divisors (133339).

5817221 is a wasteful number, since it uses less digits than its factorization.

5817221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835.

The product of its digits is 1120, while the sum is 26.

The square root of 5817221 is about 2411.8915813112. The cubic root of 5817221 is about 179.8478240583.

The spelling of 5817221 in words is "five million, eight hundred seventeen thousand, two hundred twenty-one".