4573221 has 8 divisors (see below), whose sum is σ = 6456384. Its totient is φ = 2869440.

The previous prime is 4573207. The next prime is 4573273. The reversal of 4573221 is 1223754.

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

It is not a de Polignac number, because 4573221 - 2⁶ = 4573157 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4573191 and 4573200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4573201) 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, 44785 + ... + 44886.

It is an arithmetic number, because the mean of its divisors is an integer number (807048).

Almost surely, 2^4573221 is an apocalyptic number.

It is an amenable number.

4573221 is a deficient number, since it is larger than the sum of its proper divisors (1883163).

4573221 is a wasteful number, since it uses less digits than its factorization.

4573221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89691.

The product of its digits is 1680, while the sum is 24.

The square root of 4573221 is about 2138.5090600697. The cubic root of 4573221 is about 165.9869951587.

Adding to 4573221 its reverse (1223754), we get a palindrome (5796975).

It can be divided in two parts, 45732 and 21, that added together give a triangular number (45753 = T₃₀₂).

The spelling of 4573221 in words is "four million, five hundred seventy-three thousand, two hundred twenty-one".