1120222009 has 2 divisors, whose sum is σ = 1120222010. Its totient is φ = 1120222008.

The previous prime is 1120222001. The next prime is 1120222043. The reversal of 1120222009 is 9002220211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 623600784 + 496621225 = 24972^2 + 22285^2 .

It is an emirp because it is prime and its reverse (9002220211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1120222009 - 2³ = 1120222001 is a prime.

It is not a weakly prime, because it can be changed into another prime (1120222001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560111004 + 560111005.

It is an arithmetic number, because the mean of its divisors is an integer number (560111005).

Almost surely, 2^1120222009 is an apocalyptic number.

It is an amenable number.

1120222009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120222009 is an equidigital number, since it uses as much as digits as its factorization.

1120222009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1120222009 is about 33469.7177908628. The cubic root of 1120222009 is about 1038.5674337192.

The spelling of 1120222009 in words is "one billion, one hundred twenty million, two hundred twenty-two thousand, nine".