22011060665 has 32 divisors (see below), whose sum is σ = 29789475840. Its totient is φ = 15467961600.

The previous prime is 22011060613. The next prime is 22011060671. The reversal of 22011060665 is 56606011022.

It is not a de Polignac number, because 22011060665 - 2¹⁰ = 22011059641 is a prime.

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, 1144751 + ... + 1163819.

It is an arithmetic number, because the mean of its divisors is an integer number (930921120).

Almost surely, 2^22011060665 is an apocalyptic number.

It is an amenable number.

22011060665 is a deficient number, since it is larger than the sum of its proper divisors (7778415175).

22011060665 is a wasteful number, since it uses less digits than its factorization.

22011060665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19793.

The product of its (nonzero) digits is 4320, while the sum is 29.

Adding to 22011060665 its reverse (56606011022), we get a palindrome (78617071687).

The spelling of 22011060665 in words is "twenty-two billion, eleven million, sixty thousand, six hundred sixty-five".