22451525128 has 64 divisors (see below), whose sum is σ = 43759077120. Its totient is φ = 10792704000.

The previous prime is 22451525087. The next prime is 22451525143. The reversal of 22451525128 is 82152515422.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4972600 + ... + 4977112.

It is an arithmetic number, because the mean of its divisors is an integer number (683735580).

Almost surely, 2^22451525128 is an apocalyptic number.

It is an amenable number.

22451525128 is a deficient number, since it is larger than the sum of its proper divisors (21307551992).

22451525128 is a wasteful number, since it uses less digits than its factorization.

22451525128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4798 (or 4794 counting only the distinct ones).

The product of its digits is 64000, while the sum is 37.

The spelling of 22451525128 in words is "twenty-two billion, four hundred fifty-one million, five hundred twenty-five thousand, one hundred twenty-eight".