12422446 has 4 divisors (see below), whose sum is σ = 18633672. Its totient is φ = 6211222.

The previous prime is 12422441. The next prime is 12422453. The reversal of 12422446 is 64422421.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12422446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12422441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3105610 + ... + 3105613.

It is an arithmetic number, because the mean of its divisors is an integer number (4658418).

Almost surely, 2^12422446 is an apocalyptic number.

12422446 is a deficient number, since it is larger than the sum of its proper divisors (6211226).

12422446 is an equidigital number, since it uses as much as digits as its factorization.

12422446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6211225.

The product of its digits is 3072, while the sum is 25.

The square root of 12422446 is about 3524.5490491693. The cubic root of 12422446 is about 231.5984805856.

Subtracting from 12422446 its sum of digits (25), we obtain a palindrome (12422421).

Adding to 12422446 its reverse (64422421), we get a palindrome (76844867).

The spelling of 12422446 in words is "twelve million, four hundred twenty-two thousand, four hundred forty-six".