22407423 has 8 divisors (see below), whose sum is σ = 30286128. Its totient is φ = 14733504.

The previous prime is 22407379. The next prime is 22407439. The reversal of 22407423 is 32470422.

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

It is not a de Polignac number, because 22407423 - 2²⁰ = 21358847 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22407393 and 22407402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22407223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50940 + ... + 51377.

It is an arithmetic number, because the mean of its divisors is an integer number (3785766).

Almost surely, 2^22407423 is an apocalyptic number.

22407423 is a deficient number, since it is larger than the sum of its proper divisors (7878705).

22407423 is a wasteful number, since it uses less digits than its factorization.

22407423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102393.

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 22407423 is about 4733.6479590269. The cubic root of 22407423 is about 281.9230839975.

Adding to 22407423 its reverse (32470422), we get a palindrome (54877845).

The spelling of 22407423 in words is "twenty-two million, four hundred seven thousand, four hundred twenty-three".