1122222009 has 8 divisors (see below), whose sum is σ = 1511111232. Its totient is φ = 740740400.

The previous prime is 1122222007. The next prime is 1122222089. The reversal of 1122222009 is 9002222211.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1122222009 - 2¹ = 1122222007 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1122222007) 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, 1851549 + ... + 1852154.

It is an arithmetic number, because the mean of its divisors is an integer number (188888904).

Almost surely, 2^1122222009 is an apocalyptic number.

It is an amenable number.

1122222009 is a deficient number, since it is larger than the sum of its proper divisors (388889223).

1122222009 is a wasteful number, since it uses less digits than its factorization.

1122222009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3703807.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1122222009 is about 33499.5822212755. The cubic root of 1122222009 is about 1039.1851386415.

The spelling of 1122222009 in words is "one billion, one hundred twenty-two million, two hundred twenty-two thousand, nine".