1122122209 has 8 divisors (see below), whose sum is σ = 1211599872. Its totient is φ = 1033096080.

The previous prime is 1122122207. The next prime is 1122122263. The reversal of 1122122209 is 9022212211.

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 1122122209 - 2¹ = 1122122207 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1122122209.

It is not an unprimeable number, because it can be changed into a prime (1122122203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107707 + ... + 117664.

It is an arithmetic number, because the mean of its divisors is an integer number (151449984).

Almost surely, 2^1122122209 is an apocalyptic number.

It is an amenable number.

1122122209 is a deficient number, since it is larger than the sum of its proper divisors (89477663).

1122122209 is a wasteful number, since it uses less digits than its factorization.

1122122209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225767.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 1122122209 is about 33498.0926173417. The cubic root of 1122122209 is about 1039.1543325709.

The spelling of 1122122209 in words is "one billion, one hundred twenty-two million, one hundred twenty-two thousand, two hundred nine".