22113365065 has 32 divisors (see below), whose sum is σ = 30257369856. Its totient is φ = 15357576960.

The previous prime is 22113365039. The next prime is 22113365089. The reversal of 22113365065 is 56056331122.

It is not a de Polignac number, because 22113365065 - 2¹³ = 22113356873 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22113365065.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 761187 + ... + 789703.

It is an arithmetic number, because the mean of its divisors is an integer number (945542808).

Almost surely, 2^22113365065 is an apocalyptic number.

It is an amenable number.

22113365065 is a deficient number, since it is larger than the sum of its proper divisors (8144004791).

22113365065 is a wasteful number, since it uses less digits than its factorization.

22113365065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29169.

The product of its (nonzero) digits is 32400, while the sum is 34.

Adding to 22113365065 its reverse (56056331122), we get a palindrome (78169696187).

The spelling of 22113365065 in words is "twenty-two billion, one hundred thirteen million, three hundred sixty-five thousand, sixty-five".