1199222222 has 16 divisors (see below), whose sum is σ = 1976486400. Its totient is φ = 541178040.

The previous prime is 1199222203. The next prime is 1199222303. The reversal of 1199222222 is 2222229911.

It is a happy number.

1199222222 is a modest number, since divided by 22222 gives 11992 as remainder.

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

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, 193022 + ... + 199137.

It is an arithmetic number, because the mean of its divisors is an integer number (123530400).

Almost surely, 2^1199222222 is an apocalyptic number.

1199222222 is a deficient number, since it is larger than the sum of its proper divisors (777264178).

1199222222 is a wasteful number, since it uses less digits than its factorization.

1199222222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392311.

The product of its digits is 5184, while the sum is 32.

The square root of 1199222222 is about 34629.7880732759. The cubic root of 1199222222 is about 1062.4289327691.

The spelling of 1199222222 in words is "one billion, one hundred ninety-nine million, two hundred twenty-two thousand, two hundred twenty-two".