12204442 has 8 divisors (see below), whose sum is σ = 18335232. Its totient is φ = 6092700.

The previous prime is 12204433. The next prime is 12204449. The reversal of 12204442 is 24440221.

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

It is not an unprimeable number, because it can be changed into a prime (12204449) 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 3 ways as a sum of consecutive naturals, for example, 3034 + ... + 5797.

It is an arithmetic number, because the mean of its divisors is an integer number (2291904).

Almost surely, 2^12204442 is an apocalyptic number.

12204442 is a deficient number, since it is larger than the sum of its proper divisors (6130790).

12204442 is an equidigital number, since it uses as much as digits as its factorization.

12204442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9524.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 12204442 is about 3493.4856518955. The cubic root of 12204442 is about 230.2356878278.

Adding to 12204442 its reverse (24440221), we get a palindrome (36644663).

The spelling of 12204442 in words is "twelve million, two hundred four thousand, four hundred forty-two".