22224944 has 20 divisors (see below), whose sum is σ = 49212624. Its totient is φ = 9524928.

The previous prime is 22224941. The next prime is 22224959. The reversal of 22224944 is 44942222.

It is not an unprimeable number, because it can be changed into a prime (22224941) 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, 99107 + ... + 99330.

Almost surely, 2^22224944 is an apocalyptic number.

It is an amenable number.

22224944 is an abundant number, since it is smaller than the sum of its proper divisors (26987680).

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

22224944 is a wasteful number, since it uses less digits than its factorization.

22224944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198452 (or 198446 counting only the distinct ones).

The product of its digits is 9216, while the sum is 29.

The square root of 22224944 is about 4714.3338871998. Note that the first 3 decimals coincide. The cubic root of 22224944 is about 281.1556994801.

The spelling of 22224944 in words is "twenty-two million, two hundred twenty-four thousand, nine hundred forty-four".