22025422530 has 256 divisors, whose sum is σ = 65101916160. Its totient is φ = 5274906624.

The previous prime is 22025422501. The next prime is 22025422577. The reversal of 22025422530 is 3522452022.

22025422530 is a `hidden beast` number, since 2 + 202 + 5 + 422 + 5 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 22025422494 and 22025422503.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 8999767 + ... + 9002213.

It is an arithmetic number, because the mean of its divisors is an integer number (254304360).

Almost surely, 2^22025422530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22025422530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32550958080).

22025422530 is an abundant number, since it is smaller than the sum of its proper divisors (43076493630).

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

22025422530 is a wasteful number, since it uses less digits than its factorization.

22025422530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2570 (or 2564 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

Adding to 22025422530 its reverse (3522452022), we get a palindrome (25547874552).

The spelling of 22025422530 in words is "twenty-two billion, twenty-five million, four hundred twenty-two thousand, five hundred thirty".