4333221 has 6 divisors (see below), whose sum is σ = 6259110. Its totient is φ = 2888808.

The previous prime is 4333213. The next prime is 4333237. The reversal of 4333221 is 1223334.

It can be written as a sum of positive squares in only one way, i.e., 3101121 + 1232100 = 1761^2 + 1110^2 .

It is not a de Polignac number, because 4333221 - 2³ = 4333213 is a prime.

It is a Curzon number.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 4333194 and 4333203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4334221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 240726 + ... + 240743.

It is an arithmetic number, because the mean of its divisors is an integer number (1043185).

Almost surely, 2^4333221 is an apocalyptic number.

It is an amenable number.

4333221 is a deficient number, since it is larger than the sum of its proper divisors (1925889).

4333221 is a wasteful number, since it uses less digits than its factorization.

4333221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481475 (or 481472 counting only the distinct ones).

The product of its digits is 432, while the sum is 18.

The square root of 4333221 is about 2081.6390176974. The cubic root of 4333221 is about 163.0310327706.

Adding to 4333221 its reverse (1223334), we get a palindrome (5556555).

It can be divided in two parts, 4333 and 221, that added together give a palindrome (4554).

The spelling of 4333221 in words is "four million, three hundred thirty-three thousand, two hundred twenty-one".