1422771289 has 2 divisors, whose sum is σ = 1422771290. Its totient is φ = 1422771288.

The previous prime is 1422771271. The next prime is 1422771307. The reversal of 1422771289 is 9821772241.

It is a balanced prime because it is at equal distance from previous prime (1422771271) and next prime (1422771307).

It can be written as a sum of positive squares in only one way, i.e., 1374926400 + 47844889 = 37080^2 + 6917^2 .

It is an emirp because it is prime and its reverse (9821772241) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1422771289 is a prime.

It is not a weakly prime, because it can be changed into another prime (1422771269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711385644 + 711385645.

It is an arithmetic number, because the mean of its divisors is an integer number (711385645).

Almost surely, 2^1422771289 is an apocalyptic number.

It is an amenable number.

1422771289 is a deficient number, since it is larger than the sum of its proper divisors (1).

1422771289 is an equidigital number, since it uses as much as digits as its factorization.

1422771289 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1422771289 is about 37719.6406266019. The cubic root of 1422771289 is about 1124.7215874669.

The spelling of 1422771289 in words is "one billion, four hundred twenty-two million, seven hundred seventy-one thousand, two hundred eighty-nine".