22302250 has 16 divisors (see below), whose sum is σ = 41750280. Its totient is φ = 8920800.

The previous prime is 22302239. The next prime is 22302263. The reversal of 22302250 is 5220322.

It can be written as a sum of positive squares in 4 ways, for example, as 4231249 + 18071001 = 2057^2 + 4251^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44355 + ... + 44854.

Almost surely, 2^22302250 is an apocalyptic number.

22302250 is a deficient number, since it is larger than the sum of its proper divisors (19448030).

22302250 is an equidigital number, since it uses as much as digits as its factorization.

22302250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89226 (or 89216 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 22302250 is about 4722.5258072349. The cubic root of 22302250 is about 281.4813076565.

Adding to 22302250 its reverse (5220322), we get a palindrome (27522572).

The spelling of 22302250 in words is "twenty-two million, three hundred two thousand, two hundred fifty".