5806221 has 4 divisors (see below), whose sum is σ = 7741632. Its totient is φ = 3870812.

The previous prime is 5806217. The next prime is 5806237. The reversal of 5806221 is 1226085.

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 5806221 - 2² = 5806217 is a prime.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 5806191 and 5806200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5806121) 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, 967701 + ... + 967706.

It is an arithmetic number, because the mean of its divisors is an integer number (1935408).

Almost surely, 2^5806221 is an apocalyptic number.

It is an amenable number.

5806221 is a deficient number, since it is larger than the sum of its proper divisors (1935411).

5806221 is a wasteful number, since it uses less digits than its factorization.

5806221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1935410.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 5806221 is about 2409.6101344408. The cubic root of 5806221 is about 179.7343922129.

The spelling of 5806221 in words is "five million, eight hundred six thousand, two hundred twenty-one".