22312424 has 16 divisors (see below), whose sum is σ = 41959620. Its totient is φ = 11123200.

The previous prime is 22312421. The next prime is 22312469. The reversal of 22312424 is 42421322.

It can be written as a sum of positive squares in 2 ways, for example, as 22259524 + 52900 = 4718^2 + 230^2 .

It is a super-3 number, since 3×22312424³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22312396 and 22312405.

It is not an unprimeable number, because it can be changed into a prime (22312421) 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, 1127 + ... + 6774.

Almost surely, 2^22312424 is an apocalyptic number.

It is an amenable number.

22312424 is a deficient number, since it is larger than the sum of its proper divisors (19647196).

22312424 is a wasteful number, since it uses less digits than its factorization.

22312424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8260 (or 8256 counting only the distinct ones).

The product of its digits is 768, while the sum is 20.

The square root of 22312424 is about 4723.6028622229. The cubic root of 22312424 is about 281.5241038686.

Adding to 22312424 its reverse (42421322), we get a palindrome (64733746).

The spelling of 22312424 in words is "twenty-two million, three hundred twelve thousand, four hundred twenty-four".