22424216 has 16 divisors (see below), whose sum is σ = 42113400. Its totient is φ = 11193984.

The previous prime is 22424209. The next prime is 22424219. The reversal of 22424216 is 61242422.

It is a junction number, because it is equal to n+sod(n) for n = 22424191 and 22424200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22424219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4016 + ... + 7808.

Almost surely, 2^22424216 is an apocalyptic number.

It is an amenable number.

22424216 is a deficient number, since it is larger than the sum of its proper divisors (19689184).

22424216 is a wasteful number, since it uses less digits than its factorization.

22424216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4538 (or 4534 counting only the distinct ones).

The product of its digits is 1536, while the sum is 23.

The square root of 22424216 is about 4735.4214173609. The cubic root of 22424216 is about 281.9934944763.

Adding to 22424216 its reverse (61242422), we get a palindrome (83666638).

The spelling of 22424216 in words is "twenty-two million, four hundred twenty-four thousand, two hundred sixteen".