22665764505 has 32 divisors (see below), whose sum is σ = 38481606144. Its totient is φ = 11352692736.

The previous prime is 22665764503. The next prime is 22665764507. The reversal of 22665764505 is 50546756622.

It is an interprime number because it is at equal distance from previous prime (22665764503) and next prime (22665764507).

It is not a de Polignac number, because 22665764505 - 2¹ = 22665764503 is a prime.

It is a super-2 number, since 2×22665764505² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22665764501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22077 + ... + 214053.

It is an arithmetic number, because the mean of its divisors is an integer number (1202550192).

Almost surely, 2^22665764505 is an apocalyptic number.

It is an amenable number.

22665764505 is a deficient number, since it is larger than the sum of its proper divisors (15815841639).

22665764505 is a wasteful number, since it uses less digits than its factorization.

22665764505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192465.

The product of its (nonzero) digits is 3024000, while the sum is 48.

The spelling of 22665764505 in words is "twenty-two billion, six hundred sixty-five million, seven hundred sixty-four thousand, five hundred five".