22045032765 has 64 divisors (see below), whose sum is σ = 44976222720. Its totient is φ = 10035809280.

The previous prime is 22045032743. The next prime is 22045032769. The reversal of 22045032765 is 56723054022.

22045032765 is a `hidden beast` number, since 220 + 4 + 50 + 327 + 65 = 666.

It is not a de Polignac number, because 22045032765 - 2⁸ = 22045032509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22045032769) 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 63 ways as a sum of consecutive naturals, for example, 179347 + ... + 276143.

It is an arithmetic number, because the mean of its divisors is an integer number (702753480).

Almost surely, 2^22045032765 is an apocalyptic number.

It is an amenable number.

22045032765 is an abundant number, since it is smaller than the sum of its proper divisors (22931189955).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22045032765 is a wasteful number, since it uses less digits than its factorization.

22045032765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97059 (or 97053 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 36.

Adding to 22045032765 its reverse (56723054022), we get a palindrome (78768086787).

The spelling of 22045032765 in words is "twenty-two billion, forty-five million, thirty-two thousand, seven hundred sixty-five".