22281006909 has 12 divisors (see below), whose sum is σ = 33953052896. Its totient is φ = 12731613072.

The previous prime is 22281006889. The next prime is 22281006911. The reversal of 22281006909 is 90960018222.

It is not a de Polignac number, because 22281006909 - 2¹⁶ = 22280941373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22281006109) 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 11 ways as a sum of consecutive naturals, for example, 667747 + ... + 700319.

Almost surely, 2^22281006909 is an apocalyptic number.

It is an amenable number.

22281006909 is a deficient number, since it is larger than the sum of its proper divisors (11672045987).

22281006909 is an frugal number, since it uses more digits than its factorization.

22281006909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65156 (or 32583 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The spelling of 22281006909 in words is "twenty-two billion, two hundred eighty-one million, six thousand, nine hundred nine".