22224016 has 10 divisors (see below), whose sum is σ = 43059062. Its totient is φ = 11112000.

The previous prime is 22223989. The next prime is 22224023. The reversal of 22224016 is 61042222.

It can be written as a sum of positive squares in only one way, i.e., 20793600 + 1430416 = 4560^2 + 1196^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22223984 and 22224002.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 694485 + ... + 694516.

Almost surely, 2^22224016 is an apocalyptic number.

It is an amenable number.

22224016 is a deficient number, since it is larger than the sum of its proper divisors (20835046).

22224016 is a wasteful number, since it uses less digits than its factorization.

22224016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389009 (or 1389003 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 22224016 is about 4714.2354629356. The cubic root of 22224016 is about 281.1517862176.

Adding to 22224016 its reverse (61042222), we get a palindrome (83266238).

The spelling of 22224016 in words is "twenty-two million, two hundred twenty-four thousand, sixteen".