22765665364 has 24 divisors (see below), whose sum is σ = 42964266240. Its totient is φ = 10492599264.

The previous prime is 22765665359. The next prime is 22765665367. The reversal of 22765665364 is 46356656722.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22765665367) 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 7 ways as a sum of consecutive naturals, for example, 267064 + ... + 341839.

It is an arithmetic number, because the mean of its divisors is an integer number (1790177760).

Almost surely, 2^22765665364 is an apocalyptic number.

It is an amenable number.

22765665364 is a deficient number, since it is larger than the sum of its proper divisors (20198600876).

22765665364 is a wasteful number, since it uses less digits than its factorization.

22765665364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609639 (or 609637 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 52.

The spelling of 22765665364 in words is "twenty-two billion, seven hundred sixty-five million, six hundred sixty-five thousand, three hundred sixty-four".