4322021 has 4 divisors (see below), whose sum is σ = 4714944. Its totient is φ = 3929100.

The previous prime is 4322009. The next prime is 4322027. The reversal of 4322021 is 1202234.

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 4322021 - 2¹⁸ = 4059877 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4321987 and 4322005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4322027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196445 + ... + 196466.

It is an arithmetic number, because the mean of its divisors is an integer number (1178736).

Almost surely, 2^4322021 is an apocalyptic number.

It is an amenable number.

4322021 is a deficient number, since it is larger than the sum of its proper divisors (392923).

4322021 is a wasteful number, since it uses less digits than its factorization.

4322021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392922.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 4322021 is about 2078.9470892738. The cubic root of 4322021 is about 162.8904504344.

Adding to 4322021 its reverse (1202234), we get a palindrome (5524255).

The spelling of 4322021 in words is "four million, three hundred twenty-two thousand, twenty-one".