1222222322 has 4 divisors (see below), whose sum is σ = 1833333486. Its totient is φ = 611111160.

The previous prime is 1222222303. The next prime is 1222222333. The reversal of 1222222322 is 2232222221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 620059801 + 602162521 = 24901^2 + 24539^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1222222294 and 1222222303.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305555579 + ... + 305555582.

Almost surely, 2^1222222322 is an apocalyptic number.

1222222322 is a deficient number, since it is larger than the sum of its proper divisors (611111164).

1222222322 is an equidigital number, since it uses as much as digits as its factorization.

1222222322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611111163.

The product of its digits is 768, while the sum is 20.

The square root of 1222222322 is about 34960.2963660207. The cubic root of 1222222322 is about 1069.1781390932.

Adding to 1222222322 its reverse (2232222221), we get a palindrome (3454444543).

The spelling of 1222222322 in words is "one billion, two hundred twenty-two million, two hundred twenty-two thousand, three hundred twenty-two".