1222344422 has 16 divisors (see below), whose sum is σ = 1975650432. Its totient is φ = 563846400.

The previous prime is 1222344397. The next prime is 1222344427. The reversal of 1222344422 is 2244432221.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 1222344391 and 1222344400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222344427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38678 + ... + 62774.

It is an arithmetic number, because the mean of its divisors is an integer number (123478152).

Almost surely, 2^1222344422 is an apocalyptic number.

1222344422 is a deficient number, since it is larger than the sum of its proper divisors (753306010).

1222344422 is a wasteful number, since it uses less digits than its factorization.

1222344422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26063.

The product of its digits is 6144, while the sum is 26.

The square root of 1222344422 is about 34962.0425890708. The cubic root of 1222344422 is about 1069.2137415368.

Adding to 1222344422 its reverse (2244432221), we get a palindrome (3466776643).

The spelling of 1222344422 in words is "one billion, two hundred twenty-two million, three hundred forty-four thousand, four hundred twenty-two".