22224112 has 10 divisors (see below), whose sum is σ = 43059248. Its totient is φ = 11112048.

The previous prime is 22224109. The next prime is 22224113. The reversal of 22224112 is 21142222.

It is a super-2 number, since 2×22224112² = 987822308377088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16), and also a Moran number because the ratio is a prime number: 1389007 = 22224112 / (2 + 2 + 2 + 2 + 4 + 1 + 1 + 2).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22224113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 694488 + ... + 694519.

Almost surely, 2^22224112 is an apocalyptic number.

It is an amenable number.

22224112 is a deficient number, since it is larger than the sum of its proper divisors (20835136).

22224112 is a wasteful number, since it uses less digits than its factorization.

22224112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389015 (or 1389009 counting only the distinct ones).

The product of its digits is 128, while the sum is 16.

The square root of 22224112 is about 4714.2456448514. The cubic root of 22224112 is about 281.1521910429.

Adding to 22224112 its reverse (21142222), we get a palindrome (43366334).

The spelling of 22224112 in words is "twenty-two million, two hundred twenty-four thousand, one hundred twelve".