12322220 has 12 divisors (see below), whose sum is σ = 25876704. Its totient is φ = 4928880.

The previous prime is 12322217. The next prime is 12322223. The reversal of 12322220 is 2222321.

It is an interprime number because it is at equal distance from previous prime (12322217) and next prime (12322223).

It is a junction number, because it is equal to n+sod(n) for n = 12322195 and 12322204.

It is not an unprimeable number, because it can be changed into a prime (12322223) 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, 308036 + ... + 308075.

It is an arithmetic number, because the mean of its divisors is an integer number (2156392).

Almost surely, 2^12322220 is an apocalyptic number.

12322220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12322220 is an abundant number, since it is smaller than the sum of its proper divisors (13554484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12322220 is a wasteful number, since it uses less digits than its factorization.

12322220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616120 (or 616118 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 12322220 is about 3510.3019813116. The cubic root of 12322220 is about 230.9739418267.

Adding to 12322220 its reverse (2222321), we get a palindrome (14544541).

The spelling of 12322220 in words is "twelve million, three hundred twenty-two thousand, two hundred twenty".