22801817328 has 20 divisors (see below), whose sum is σ = 58904694888. Its totient is φ = 7600605760.

The previous prime is 22801817317. The next prime is 22801817371. The reversal of 22801817328 is 82371810822.

It is a self number, because there is not a number n which added to its sum of digits gives 22801817328.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 237518883 + ... + 237518978.

Almost surely, 2^22801817328 is an apocalyptic number.

It is an amenable number.

22801817328 is an abundant number, since it is smaller than the sum of its proper divisors (36102877560).

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

22801817328 is a wasteful number, since it uses less digits than its factorization.

22801817328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475037872 (or 475037866 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 42.

The spelling of 22801817328 in words is "twenty-two billion, eight hundred one million, eight hundred seventeen thousand, three hundred twenty-eight".