5905221 has 32 divisors (see below), whose sum is σ = 9535488. Its totient is φ = 3179520.

The previous prime is 5905217. The next prime is 5905243. The reversal of 5905221 is 1225095.

It is not a de Polignac number, because 5905221 - 2² = 5905217 is a prime.

5905221 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 5905191 and 5905200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5905021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30501 + ... + 30693.

It is an arithmetic number, because the mean of its divisors is an integer number (297984).

Almost surely, 2^5905221 is an apocalyptic number.

It is an amenable number.

5905221 is a deficient number, since it is larger than the sum of its proper divisors (3630267).

5905221 is a wasteful number, since it uses less digits than its factorization.

5905221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 5905221 is about 2430.0660484851. The cubic root of 5905221 is about 180.7501716949.

The spelling of 5905221 in words is "five million, nine hundred five thousand, two hundred twenty-one".