22200224 has 12 divisors (see below), whose sum is σ = 43706754. Its totient is φ = 11100096.

The previous prime is 22200179. The next prime is 22200263. The reversal of 22200224 is 42200222.

It can be written as a sum of positive squares in only one way, i.e., 22090000 + 110224 = 4700^2 + 332^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22200199 and 22200208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 346847 + ... + 346910.

Almost surely, 2^22200224 is an apocalyptic number.

It is an amenable number.

22200224 is a deficient number, since it is larger than the sum of its proper divisors (21506530).

22200224 is an equidigital number, since it uses as much as digits as its factorization.

22200224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693767 (or 693759 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 22200224 is about 4711.7113663721. The cubic root of 22200224 is about 281.0514210427.

Adding to 22200224 its reverse (42200222), we get a palindrome (64400446).

The spelling of 22200224 in words is "twenty-two million, two hundred thousand, two hundred twenty-four".