22287128751 has 16 divisors (see below), whose sum is σ = 33053244000. Its totient is φ = 14842211904.

The previous prime is 22287128719. The next prime is 22287128779. The reversal of 22287128751 is 15782178222.

It is not a de Polignac number, because 22287128751 - 2⁵ = 22287128719 is a prime.

It is a super-2 number, since 2×22287128751² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22287128697 and 22287128706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22287128051) 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 15 ways as a sum of consecutive naturals, for example, 415176 + ... + 465773.

It is an arithmetic number, because the mean of its divisors is an integer number (2065827750).

Almost surely, 2^22287128751 is an apocalyptic number.

22287128751 is a deficient number, since it is larger than the sum of its proper divisors (10766115249).

22287128751 is an equidigital number, since it uses as much as digits as its factorization.

22287128751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881895 (or 881889 counting only the distinct ones).

The product of its digits is 250880, while the sum is 45.

The spelling of 22287128751 in words is "twenty-two billion, two hundred eighty-seven million, one hundred twenty-eight thousand, seven hundred fifty-one".