22751857928 has 36 divisors (see below), whose sum is σ = 45331191735. Its totient is φ = 10703343616.

The previous prime is 22751857927. The next prime is 22751857937. The reversal of 22751857928 is 82975815722.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 5 ways, for example, as 21251225284 + 1500632644 = 145778^2 + 38738^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=106658.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22751857927) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 7251176 + ... + 7254312.

Almost surely, 2^22751857928 is an apocalyptic number.

It is an amenable number.

22751857928 is a deficient number, since it is larger than the sum of its proper divisors (22579333807).

22751857928 is an frugal number, since it uses more digits than its factorization.

22751857928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6314 (or 3156 counting only the distinct ones).

The product of its digits is 5644800, while the sum is 56.

The spelling of 22751857928 in words is "twenty-two billion, seven hundred fifty-one million, eight hundred fifty-seven thousand, nine hundred twenty-eight".