4332221 has 4 divisors (see below), whose sum is σ = 4351872. Its totient is φ = 4312572.

The previous prime is 4332217. The next prime is 4332239. The reversal of 4332221 is 1222334.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4332221 - 2² = 4332217 is a prime.

It is a d-powerful number, because it can be written as 4⁴ + 3³ + 3⁸ + 2¹⁷ + 2²¹ + 2²¹ + 1 .

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 4332221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4332241) 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 3 ways as a sum of consecutive naturals, for example, 9491 + ... + 9936.

It is an arithmetic number, because the mean of its divisors is an integer number (1087968).

Almost surely, 2^4332221 is an apocalyptic number.

It is an amenable number.

4332221 is a deficient number, since it is larger than the sum of its proper divisors (19651).

4332221 is a wasteful number, since it uses less digits than its factorization.

4332221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19650.

The product of its digits is 288, while the sum is 17.

The square root of 4332221 is about 2081.3988084939. The cubic root of 4332221 is about 163.0184906320.

Adding to 4332221 its reverse (1222334), we get a palindrome (5554555).

The spelling of 4332221 in words is "four million, three hundred thirty-two thousand, two hundred twenty-one".