1006822189 has 2 divisors, whose sum is σ = 1006822190. Its totient is φ = 1006822188.

The previous prime is 1006822163. The next prime is 1006822213. The reversal of 1006822189 is 9812286001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 978626089 + 28196100 = 31283^2 + 5310^2 .

It is a cyclic number.

It is not a de Polignac number, because 1006822189 - 2¹¹ = 1006820141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1006822489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 503411094 + 503411095.

It is an arithmetic number, because the mean of its divisors is an integer number (503411095).

Almost surely, 2^1006822189 is an apocalyptic number.

It is an amenable number.

1006822189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1006822189 is an equidigital number, since it uses as much as digits as its factorization.

1006822189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 1006822189 is about 31730.4615314685. The cubic root of 1006822189 is about 1002.2689111488.

The spelling of 1006822189 in words is "one billion, six million, eight hundred twenty-two thousand, one hundred eighty-nine".