22342321 has 4 divisors (see below), whose sum is σ = 22377712. Its totient is φ = 22306932.

The previous prime is 22342319. The next prime is 22342357. The reversal of 22342321 is 12324322.

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 22342321 - 2¹ = 22342319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22342381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16731 + ... + 18016.

It is an arithmetic number, because the mean of its divisors is an integer number (5594428).

Almost surely, 2^22342321 is an apocalyptic number.

It is an amenable number.

22342321 is a deficient number, since it is larger than the sum of its proper divisors (35391).

22342321 is an equidigital number, since it uses as much as digits as its factorization.

22342321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35390.

The product of its digits is 576, while the sum is 19.

The square root of 22342321 is about 4726.7664422944. The cubic root of 22342321 is about 281.6497882506.

Adding to 22342321 its reverse (12324322), we get a palindrome (34666643).

The spelling of 22342321 in words is "twenty-two million, three hundred forty-two thousand, three hundred twenty-one".