1222882222 has 8 divisors (see below), whose sum is σ = 1834473672. Its totient is φ = 611391000.

The previous prime is 1222882217. The next prime is 1222882247. The reversal of 1222882222 is 2222882221.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27472 + ... + 56572.

It is an arithmetic number, because the mean of its divisors is an integer number (229309209).

Almost surely, 2^1222882222 is an apocalyptic number.

1222882222 is a deficient number, since it is larger than the sum of its proper divisors (611591450).

1222882222 is a wasteful number, since it uses less digits than its factorization.

1222882222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50114.

The product of its digits is 8192, while the sum is 31.

The square root of 1222882222 is about 34969.7329415024. The cubic root of 1222882222 is about 1069.3705273627.

Subtracting 1222882222 from its reverse (2222882221), we obtain a palindrome (999999999).

The spelling of 1222882222 in words is "one billion, two hundred twenty-two million, eight hundred eighty-two thousand, two hundred twenty-two".