22230224 has 20 divisors (see below), whose sum is σ = 44461440. Its totient is φ = 10756320.

The previous prime is 22230149. The next prime is 22230227. The reversal of 22230224 is 42203222.

22230224 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22230227) 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, 21914 + ... + 22905.

It is an arithmetic number, because the mean of its divisors is an integer number (2223072).

Almost surely, 2^22230224 is an apocalyptic number.

It is an amenable number.

22230224 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22230224 is a wasteful number, since it uses less digits than its factorization.

22230224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44858 (or 44852 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 22230224 is about 4714.8938482218. The cubic root of 22230224 is about 281.1779625216.

Adding to 22230224 its reverse (42203222), we get a palindrome (64433446).

The spelling of 22230224 in words is "twenty-two million, two hundred thirty thousand, two hundred twenty-four".