4322321 has 4 divisors (see below), whose sum is σ = 4510272. Its totient is φ = 4134372.

The previous prime is 4322293. The next prime is 4322323. The reversal of 4322321 is 1232234.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1232234 = 2 ⋅616117.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4322321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4322321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4322323) 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, 93941 + ... + 93986.

It is an arithmetic number, because the mean of its divisors is an integer number (1127568).

Almost surely, 2^4322321 is an apocalyptic number.

It is an amenable number.

4322321 is a deficient number, since it is larger than the sum of its proper divisors (187951).

4322321 is a wasteful number, since it uses less digits than its factorization.

4322321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187950.

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

The square root of 4322321 is about 2079.0192399302. The cubic root of 4322321 is about 162.8942191963.

Adding to 4322321 its reverse (1232234), we get a palindrome (5554555).

The spelling of 4322321 in words is "four million, three hundred twenty-two thousand, three hundred twenty-one".