4332021 has 4 divisors (see below), whose sum is σ = 5776032. Its totient is φ = 2888012.

The previous prime is 4332011. The next prime is 4332043. The reversal of 4332021 is 1202334.

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 4332021 - 2⁵ = 4331989 is a prime.

It is a d-powerful number, because it can be written as 4¹¹ + 3⁴ + 3⁸ + 2 + 0 + 2¹⁷ + 1 .

It is a D-number.

It is a Curzon number.

4332021 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4332001) 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, 722001 + ... + 722006.

It is an arithmetic number, because the mean of its divisors is an integer number (1444008).

Almost surely, 2^4332021 is an apocalyptic number.

It is an amenable number.

4332021 is a deficient number, since it is larger than the sum of its proper divisors (1444011).

4332021 is a wasteful number, since it uses less digits than its factorization.

4332021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1444010.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 4332021 is about 2081.3507633265. The cubic root of 4332021 is about 163.0159819726.

Adding to 4332021 its reverse (1202334), we get a palindrome (5534355).

The spelling of 4332021 in words is "four million, three hundred thirty-two thousand, twenty-one".