22488423 has 8 divisors (see below), whose sum is σ = 30951936. Its totient is φ = 14508600.

The previous prime is 22488407. The next prime is 22488437. The reversal of 22488423 is 32488422.

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

It is not a de Polignac number, because 22488423 - 2⁴ = 22488407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22488463) 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, 120813 + ... + 120998.

It is an arithmetic number, because the mean of its divisors is an integer number (3868992).

Almost surely, 2^22488423 is an apocalyptic number.

22488423 is a deficient number, since it is larger than the sum of its proper divisors (8463513).

22488423 is a wasteful number, since it uses less digits than its factorization.

22488423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241845.

The product of its digits is 24576, while the sum is 33.

The square root of 22488423 is about 4742.1960102889. The cubic root of 22488423 is about 282.2623809170.

Subtracting 22488423 from its reverse (32488422), we obtain a palindrome (9999999).

The spelling of 22488423 in words is "twenty-two million, four hundred eighty-eight thousand, four hundred twenty-three".