12448222 has 8 divisors (see below), whose sum is σ = 18699696. Its totient is φ = 6214992.

The previous prime is 12448213. The next prime is 12448237. The reversal of 12448222 is 22284421.

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

It is a super-2 number, since 2×12448222² = 309916461922568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2703 + ... + 5674.

It is an arithmetic number, because the mean of its divisors is an integer number (2337462).

Almost surely, 2^12448222 is an apocalyptic number.

12448222 is a deficient number, since it is larger than the sum of its proper divisors (6251474).

12448222 is an equidigital number, since it uses as much as digits as its factorization.

12448222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9122.

The product of its digits is 2048, while the sum is 25.

The square root of 12448222 is about 3528.2037923000. The cubic root of 12448222 is about 231.7585552936.

The spelling of 12448222 in words is "twelve million, four hundred forty-eight thousand, two hundred twenty-two".