22642323 has 8 divisors (see below), whose sum is σ = 32934336. Its totient is φ = 13722600.

The previous prime is 22642313. The next prime is 22642331. The reversal of 22642323 is 32324622.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22642323 - 2⁶ = 22642259 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22642293 and 22642302.

It is not an unprimeable number, because it can be changed into a prime (22642313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 343033 + ... + 343098.

It is an arithmetic number, because the mean of its divisors is an integer number (4116792).

Almost surely, 2^22642323 is an apocalyptic number.

22642323 is a deficient number, since it is larger than the sum of its proper divisors (10292013).

22642323 is a wasteful number, since it uses less digits than its factorization.

22642323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686145.

The product of its digits is 3456, while the sum is 24.

The square root of 22642323 is about 4758.3950025192. The cubic root of 22642323 is about 282.9048071833.

Adding to 22642323 its reverse (32324622), we get a palindrome (54966945).

The spelling of 22642323 in words is "twenty-two million, six hundred forty-two thousand, three hundred twenty-three".