22196224 has 26 divisors (see below), whose sum is σ = 44395220. Its totient is φ = 11096064.

The previous prime is 22196221. The next prime is 22196243. The reversal of 22196224 is 42269122.

It is a junction number, because it is equal to n+sod(n) for n = 22196192 and 22196201.

It is not an unprimeable number, because it can be changed into a prime (22196221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1387 + ... + 6805.

Almost surely, 2^22196224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22196224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22197610).

22196224 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22196224 is an frugal number, since it uses more digits than its factorization.

22196224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5443 (or 5421 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

The square root of 22196224 is about 4711.2868730316. The cubic root of 22196224 is about 281.0345402339.

The spelling of 22196224 in words is "twenty-two million, one hundred ninety-six thousand, two hundred twenty-four".