1122274789 has 8 divisors (see below), whose sum is σ = 1159966080. Its totient is φ = 1085159136.

The previous prime is 1122274757. The next prime is 1122274793. The reversal of 1122274789 is 9874722211.

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 1122274789 - 2⁵ = 1122274757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122275789) 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, 139944 + ... + 147745.

It is an arithmetic number, because the mean of its divisors is an integer number (144995760).

Almost surely, 2^1122274789 is an apocalyptic number.

It is an amenable number.

1122274789 is a deficient number, since it is larger than the sum of its proper divisors (37691291).

1122274789 is an equidigital number, since it uses as much as digits as its factorization.

1122274789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287819.

The product of its digits is 112896, while the sum is 43.

The square root of 1122274789 is about 33500.3699830315. The cubic root of 1122274789 is about 1039.2014299313.

The spelling of 1122274789 in words is "one billion, one hundred twenty-two million, two hundred seventy-four thousand, seven hundred eighty-nine".