12220330 has 16 divisors (see below), whose sum is σ = 22122720. Its totient is φ = 4860112.

The previous prime is 12220301. The next prime is 12220333. The reversal of 12220330 is 3302221.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12220330.

It is not an unprimeable number, because it can be changed into a prime (12220333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1624 + ... + 5203.

It is an arithmetic number, because the mean of its divisors is an integer number (1382670).

Almost surely, 2^12220330 is an apocalyptic number.

12220330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12220330 is a deficient number, since it is larger than the sum of its proper divisors (9902390).

12220330 is a wasteful number, since it uses less digits than its factorization.

12220330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7013.

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

The square root of 12220330 is about 3495.7588589604. The cubic root of 12220330 is about 230.3355530629.

Adding to 12220330 its reverse (3302221), we get a palindrome (15522551).

The spelling of 12220330 in words is "twelve million, two hundred twenty thousand, three hundred thirty".