22224435 has 32 divisors (see below), whose sum is σ = 36640512. Its totient is φ = 11498880.

The previous prime is 22224431. The next prime is 22224443. The reversal of 22224435 is 53442222.

It is a happy number.

It is not a de Polignac number, because 22224435 - 2² = 22224431 is a prime.

It is a super-2 number, since 2×22224435² = 987851022138450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22224431) 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 31 ways as a sum of consecutive naturals, for example, 97792 + ... + 98018.

It is an arithmetic number, because the mean of its divisors is an integer number (1145016).

Almost surely, 2^22224435 is an apocalyptic number.

22224435 is a deficient number, since it is larger than the sum of its proper divisors (14416077).

22224435 is a wasteful number, since it uses less digits than its factorization.

22224435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403.

The product of its digits is 3840, while the sum is 24.

The square root of 22224435 is about 4714.2799025938. The cubic root of 22224435 is about 281.1535531028.

Adding to 22224435 its reverse (53442222), we get a palindrome (75666657).

The spelling of 22224435 in words is "twenty-two million, two hundred twenty-four thousand, four hundred thirty-five".