12422226 has 8 divisors (see below), whose sum is σ = 24844464. Its totient is φ = 4140740.

The previous prime is 12422209. The next prime is 12422243. The reversal of 12422226 is 62222421.

12422226 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12422209) and next prime (12422243).

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

12422226 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1035180 + ... + 1035191.

It is an arithmetic number, because the mean of its divisors is an integer number (3105558).

Almost surely, 2^12422226 is an apocalyptic number.

12422226 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12422226 is a wasteful number, since it uses less digits than its factorization.

12422226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2070376.

The product of its digits is 768, while the sum is 21.

The square root of 12422226 is about 3524.5178393647. The cubic root of 12422226 is about 231.5971133839.

Adding to 12422226 its reverse (62222421), we get a palindrome (74644647).

The spelling of 12422226 in words is "twelve million, four hundred twenty-two thousand, two hundred twenty-six".