22224688 has 20 divisors (see below), whose sum is σ = 43378920. Its totient is φ = 11030144.

The previous prime is 22224677. The next prime is 22224689. The reversal of 22224688 is 88642222.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (22224689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2878 + ... + 7261.

It is an arithmetic number, because the mean of its divisors is an integer number (2168946).

Almost surely, 2^22224688 is an apocalyptic number.

It is an amenable number.

22224688 is a deficient number, since it is larger than the sum of its proper divisors (21154232).

22224688 is a wasteful number, since it uses less digits than its factorization.

22224688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10284 (or 10278 counting only the distinct ones).

The product of its digits is 24576, while the sum is 34.

The square root of 22224688 is about 4714.3067358839. The cubic root of 22224688 is about 281.1546199703.

The spelling of 22224688 in words is "twenty-two million, two hundred twenty-four thousand, six hundred eighty-eight".