22224135 has 16 divisors (see below), whose sum is σ = 35788896. Its totient is φ = 11776128.

The previous prime is 22224131. The next prime is 22224149. The reversal of 22224135 is 53142222.

It is not a de Polignac number, because 22224135 - 2² = 22224131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22224131) 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, 2364 + ... + 7073.

It is an arithmetic number, because the mean of its divisors is an integer number (2236806).

Almost surely, 2^22224135 is an apocalyptic number.

22224135 is a deficient number, since it is larger than the sum of its proper divisors (13564761).

22224135 is a wasteful number, since it uses less digits than its factorization.

22224135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9602.

The product of its digits is 960, while the sum is 21.

The square root of 22224135 is about 4714.2480842654. The cubic root of 22224135 is about 281.1522880321.

Adding to 22224135 its reverse (53142222), we get a palindrome (75366357).

The spelling of 22224135 in words is "twenty-two million, two hundred twenty-four thousand, one hundred thirty-five".