1322869989 has 16 divisors (see below), whose sum is σ = 2020603520. Its totient is φ = 754125120.

The previous prime is 1322869963. The next prime is 1322869993. The reversal of 1322869989 is 9899682231.

It is not a de Polignac number, because 1322869989 - 2²³ = 1314481381 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 (1322869939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65974 + ... + 83655.

It is an arithmetic number, because the mean of its divisors is an integer number (126287720).

Almost surely, 2^1322869989 is an apocalyptic number.

It is an amenable number.

1322869989 is a deficient number, since it is larger than the sum of its proper divisors (697733531).

1322869989 is a wasteful number, since it uses less digits than its factorization.

1322869989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150060.

The product of its digits is 3359232, while the sum is 57.

The square root of 1322869989 is about 36371.2797272793. The cubic root of 1322869989 is about 1097.7557518898.

The spelling of 1322869989 in words is "one billion, three hundred twenty-two million, eight hundred sixty-nine thousand, nine hundred eighty-nine".