222530330 has 32 divisors (see below), whose sum is σ = 443138688. Its totient is φ = 79777600.

The previous prime is 222530317. The next prime is 222530377. The reversal of 222530330 is 33035222.

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 in 15 ways as a sum of consecutive naturals, for example, 6437 + ... + 22056.

It is an arithmetic number, because the mean of its divisors is an integer number (13848084).

Almost surely, 2^222530330 is an apocalyptic number.

222530330 is a deficient number, since it is larger than the sum of its proper divisors (220608358).

222530330 is a wasteful number, since it uses less digits than its factorization.

222530330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28582.

The product of its (nonzero) digits is 1080, while the sum is 20.

The square root of 222530330 is about 14917.4505194420. The cubic root of 222530330 is about 605.9866694959.

Adding to 222530330 its reverse (33035222), we get a palindrome (255565552).

It can be divided in two parts, 22 and 2530330, that added together give a palindrome (2530352).

The spelling of 222530330 in words is "two hundred twenty-two million, five hundred thirty thousand, three hundred thirty".