12222220330 has 8 divisors (see below), whose sum is σ = 21999996612. Its totient is φ = 4888888128.

The previous prime is 12222220291. The next prime is 12222220337. The reversal of 12222220330 is 3302222221.

It can be written as a sum of positive squares in 2 ways, for example, as 11187504441 + 1034715889 = 105771^2 + 32167^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12222220298 and 12222220307.

It is not an unprimeable number, because it can be changed into a prime (12222220337) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 611111007 + ... + 611111026.

Almost surely, 2^12222220330 is an apocalyptic number.

12222220330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12222220330 is a deficient number, since it is larger than the sum of its proper divisors (9777776282).

12222220330 is a wasteful number, since it uses less digits than its factorization.

12222220330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222222040.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 12222220330 its reverse (3302222221), we get a palindrome (15524442551).

The spelling of 12222220330 in words is "twelve billion, two hundred twenty-two million, two hundred twenty thousand, three hundred thirty".