1322002189 has 2 divisors, whose sum is σ = 1322002190. Its totient is φ = 1322002188.

The previous prime is 1322002177. The next prime is 1322002217. The reversal of 1322002189 is 9812002231.

It is an a-pointer prime, because the next prime (1322002217) can be obtained adding 1322002189 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 768952900 + 553049289 = 27730^2 + 23517^2 .

It is a cyclic number.

It is not a de Polignac number, because 1322002189 - 2⁷ = 1322002061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1322002169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661001094 + 661001095.

It is an arithmetic number, because the mean of its divisors is an integer number (661001095).

Almost surely, 2^1322002189 is an apocalyptic number.

It is an amenable number.

1322002189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1322002189 is an equidigital number, since it uses as much as digits as its factorization.

1322002189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 1322002189 is about 36359.3480277081. The cubic root of 1322002189 is about 1097.5156575410.

The spelling of 1322002189 in words is "one billion, three hundred twenty-two million, two thousand, one hundred eighty-nine".