1122738889 has 2 divisors, whose sum is σ = 1122738890. Its totient is φ = 1122738888.

The previous prime is 1122738887. The next prime is 1122738917. The reversal of 1122738889 is 9888372211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1069813264 + 52925625 = 32708^2 + 7275^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122738889 - 2¹ = 1122738887 is a prime.

It is a super-2 number, since 2×1122738889² = 2521085225745908642, which contains 22 as substring.

Together with 1122738887, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1122738887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561369444 + 561369445.

It is an arithmetic number, because the mean of its divisors is an integer number (561369445).

Almost surely, 2^1122738889 is an apocalyptic number.

It is an amenable number.

1122738889 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122738889 is an equidigital number, since it uses as much as digits as its factorization.

1122738889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 387072, while the sum is 49.

The square root of 1122738889 is about 33507.2960562323. The cubic root of 1122738889 is about 1039.3446589402.

The spelling of 1122738889 in words is "one billion, one hundred twenty-two million, seven hundred thirty-eight thousand, eight hundred eighty-nine".