22210330 has 16 divisors (see below), whose sum is σ = 42330600. Its totient is φ = 8361472.

The previous prime is 22210289. The next prime is 22210333. The reversal of 22210330 is 3301222.

It is a happy number.

22210330 is nontrivially palindromic in base 9.

It can be written as a sum of positive squares in 4 ways, for example, as 21930489 + 279841 = 4683^2 + 529^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22210330.

It is not an unprimeable number, because it can be changed into a prime (22210333) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 65155 + ... + 65494.

Almost surely, 2^22210330 is an apocalyptic number.

22210330 is a deficient number, since it is larger than the sum of its proper divisors (20120270).

22210330 is a wasteful number, since it uses less digits than its factorization.

22210330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130673.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 22210330 is about 4712.7836784644. The cubic root of 22210330 is about 281.0940613750.

Adding to 22210330 its reverse (3301222), we get a palindrome (25511552).

The spelling of 22210330 in words is "twenty-two million, two hundred ten thousand, three hundred thirty".