22224255 has 16 divisors (see below), whose sum is σ = 36427104. Its totient is φ = 11563520.

The previous prime is 22224247. The next prime is 22224259. The reversal of 22224255 is 55242222.

It is a happy number.

It is not a de Polignac number, because 22224255 - 2³ = 22224247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22224259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17454 + ... + 18683.

It is an arithmetic number, because the mean of its divisors is an integer number (2276694).

Almost surely, 2^22224255 is an apocalyptic number.

22224255 is a deficient number, since it is larger than the sum of its proper divisors (14202849).

22224255 is a wasteful number, since it uses less digits than its factorization.

22224255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36186.

The product of its digits is 3200, while the sum is 24.

The square root of 22224255 is about 4714.2608116225. The cubic root of 22224255 is about 281.1527940618.

Adding to 22224255 its reverse (55242222), we get a palindrome (77466477).

The spelling of 22224255 in words is "twenty-two million, two hundred twenty-four thousand, two hundred fifty-five".