22665865403128 has 128 divisors (see below), whose sum is σ = 46774879488000. Its totient is φ = 10250234265600.

The previous prime is 22665865403099. The next prime is 22665865403177. The reversal of 22665865403128 is 82130456856622.

It is a congruent number.

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, 399391251 + ... + 399447997.

It is an arithmetic number, because the mean of its divisors is an integer number (365428746000).

Almost surely, 2^{22665865403128} is an apocalyptic number.

It is an amenable number.

22665865403128 is an abundant number, since it is smaller than the sum of its proper divisors (24109014084872).

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

22665865403128 is a wasteful number, since it uses less digits than its factorization.

22665865403128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57461 (or 57457 counting only the distinct ones).

The product of its (nonzero) digits is 33177600, while the sum is 58.

The spelling of 22665865403128 in words is "twenty-two trillion, six hundred sixty-five billion, eight hundred sixty-five million, four hundred three thousand, one hundred twenty-eight".