1224422 has 8 divisors (see below), whose sum is σ = 1841400. Its totient is φ = 610624.

The previous prime is 1224413. The next prime is 1224437. The reversal of 1224422 is 2244221.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1224422.

It is a congruent 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, 854 + ... + 1782.

It is an arithmetic number, because the mean of its divisors is an integer number (230175).

2^1224422 is an apocalyptic number.

1224422 is a deficient number, since it is larger than the sum of its proper divisors (616978).

1224422 is an equidigital number, since it uses as much as digits as its factorization.

1224422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1590.

The product of its digits is 256, while the sum is 17.

The square root of 1224422 is about 1106.5360364670. The cubic root of 1224422 is about 106.9819167624.

Adding to 1224422 its reverse (2244221), we get a palindrome (3468643).

The spelling of 1224422 in words is "one million, two hundred twenty-four thousand, four hundred twenty-two".