4579221 has 8 divisors (see below), whose sum is σ = 6115744. Its totient is φ = 3047760.

The previous prime is 4579213. The next prime is 4579259. The reversal of 4579221 is 1229754.

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

It is not a de Polignac number, because 4579221 - 2³ = 4579213 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 (4579021) 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, 2226 + ... + 3756.

It is an arithmetic number, because the mean of its divisors is an integer number (764468).

Almost surely, 2^4579221 is an apocalyptic number.

It is an amenable number.

4579221 is a deficient number, since it is larger than the sum of its proper divisors (1536523).

4579221 is a wasteful number, since it uses less digits than its factorization.

4579221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2531.

The product of its digits is 5040, while the sum is 30.

The square root of 4579221 is about 2139.9114467660. The cubic root of 4579221 is about 166.0595542837.

The spelling of 4579221 in words is "four million, five hundred seventy-nine thousand, two hundred twenty-one".