1222244422 has 8 divisors (see below), whose sum is σ = 2095276176. Its totient is φ = 523819032.

The previous prime is 1222244389. The next prime is 1222244423. The reversal of 1222244422 is 2244422221.

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

It is a super-2 number, since 2×1222244422² = 2987762854220228168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222244423) 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, 43651573 + ... + 43651600.

It is an arithmetic number, because the mean of its divisors is an integer number (261909522).

Almost surely, 2^1222244422 is an apocalyptic number.

1222244422 is a deficient number, since it is larger than the sum of its proper divisors (873031754).

1222244422 is an equidigital number, since it uses as much as digits as its factorization.

1222244422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87303182.

The product of its digits is 4096, while the sum is 25.

The square root of 1222244422 is about 34960.6124374274. The cubic root of 1222244422 is about 1069.1845832821.

Adding to 1222244422 its reverse (2244422221), we get a palindrome (3466666643).

It can be divided in two parts, 12222 and 44422, that added together give a square (56644 = 238²).

The spelling of 1222244422 in words is "one billion, two hundred twenty-two million, two hundred forty-four thousand, four hundred twenty-two".