4727221 has 8 divisors (see below), whose sum is σ = 4928000. Its totient is φ = 4529520.

The previous prime is 4727209. The next prime is 4727227. The reversal of 4727221 is 1227274.

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 4727221 - 2⁵ = 4727189 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 (4727227) 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, 2680 + ... + 4078.

It is an arithmetic number, because the mean of its divisors is an integer number (616000).

Almost surely, 2^4727221 is an apocalyptic number.

It is an amenable number.

4727221 is a deficient number, since it is larger than the sum of its proper divisors (200779).

4727221 is a wasteful number, since it uses less digits than its factorization.

4727221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1539.

The product of its digits is 1568, while the sum is 25.

The square root of 4727221 is about 2174.2173304433. The cubic root of 4727221 is about 167.8296293434.

The spelling of 4727221 in words is "four million, seven hundred twenty-seven thousand, two hundred twenty-one".