22286224 has 10 divisors (see below), whose sum is σ = 43179590. Its totient is φ = 11143104.

The previous prime is 22286219. The next prime is 22286233. The reversal of 22286224 is 42268222.

It can be written as a sum of positive squares in only one way, i.e., 12250000 + 10036224 = 3500^2 + 3168^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22286192 and 22286201.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 696429 + ... + 696460.

It is an arithmetic number, because the mean of its divisors is an integer number (4317959).

Almost surely, 2^22286224 is an apocalyptic number.

It is an amenable number.

22286224 is a deficient number, since it is larger than the sum of its proper divisors (20893366).

22286224 is a wasteful number, since it uses less digits than its factorization.

22286224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1392897 (or 1392891 counting only the distinct ones).

The product of its digits is 6144, while the sum is 28.

The square root of 22286224 is about 4720.8287408039. The cubic root of 22286224 is about 281.4138690142.

The spelling of 22286224 in words is "twenty-two million, two hundred eighty-six thousand, two hundred twenty-four".