22006323 has 14 divisors (see below), whose sum is σ = 32995484. Its totient is φ = 14670396.

The previous prime is 22006321. The next prime is 22006339. The reversal of 22006323 is 32360022.

It is not a de Polignac number, because 22006323 - 2¹ = 22006321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22006296 and 22006305.

It is not an unprimeable number, because it can be changed into a prime (22006321) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 14365 + ... + 15822.

Almost surely, 2^22006323 is an apocalyptic number.

22006323 is a deficient number, since it is larger than the sum of its proper divisors (10989161).

22006323 is an frugal number, since it uses more digits than its factorization.

22006323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30205 (or 30190 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 22006323 is about 4691.0897454643. The cubic root of 22006323 is about 280.2307748801.

Adding to 22006323 its reverse (32360022), we get a palindrome (54366345).

The spelling of 22006323 in words is "twenty-two million, six thousand, three hundred twenty-three".