22065652009 has 2 divisors, whose sum is σ = 22065652010. Its totient is φ = 22065652008.

The previous prime is 22065651991. The next prime is 22065652019. The reversal of 22065652009 is 90025656022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20759046400 + 1306605609 = 144080^2 + 36147^2 .

It is a cyclic number.

It is not a de Polignac number, because 22065652009 - 2¹⁷ = 22065520937 is a prime.

It is not a weakly prime, because it can be changed into another prime (22065652019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11032826004 + 11032826005.

It is an arithmetic number, because the mean of its divisors is an integer number (11032826005).

Almost surely, 2^22065652009 is an apocalyptic number.

It is an amenable number.

22065652009 is a deficient number, since it is larger than the sum of its proper divisors (1).

22065652009 is an equidigital number, since it uses as much as digits as its factorization.

22065652009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 22065652009 in words is "twenty-two billion, sixty-five million, six hundred fifty-two thousand, nine".