12242422 has 8 divisors (see below), whose sum is σ = 19330200. Its totient is φ = 5799024.

The previous prime is 12242359. The next prime is 12242423. The reversal of 12242422 is 22424221.

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

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 12242422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12242423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161047 + ... + 161122.

It is an arithmetic number, because the mean of its divisors is an integer number (2416275).

Almost surely, 2^12242422 is an apocalyptic number.

12242422 is a deficient number, since it is larger than the sum of its proper divisors (7087778).

12242422 is a wasteful number, since it uses less digits than its factorization.

12242422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322190.

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

The square root of 12242422 is about 3498.9172610966. The cubic root of 12242422 is about 230.4742702587.

Adding to 12242422 its reverse (22424221), we get a palindrome (34666643).

The spelling of 12242422 in words is "twelve million, two hundred forty-two thousand, four hundred twenty-two".