8622321 has 4 divisors (see below), whose sum is σ = 11496432. Its totient is φ = 5748212.

The previous prime is 8622307. The next prime is 8622323. The reversal of 8622321 is 1232268.

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 8622321 - 2¹³ = 8614129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8622291 and 8622300.

It is not an unprimeable number, because it can be changed into a prime (8622323) 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, 1437051 + ... + 1437056.

It is an arithmetic number, because the mean of its divisors is an integer number (2874108).

Almost surely, 2^8622321 is an apocalyptic number.

It is an amenable number.

8622321 is a deficient number, since it is larger than the sum of its proper divisors (2874111).

8622321 is a wasteful number, since it uses less digits than its factorization.

8622321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2874110.

The product of its digits is 1152, while the sum is 24.

The square root of 8622321 is about 2936.3788924456. The cubic root of 8622321 is about 205.0570612523.

Adding to 8622321 its reverse (1232268), we get a palindrome (9854589).

The spelling of 8622321 in words is "eight million, six hundred twenty-two thousand, three hundred twenty-one".