22124120025 has 96 divisors (see below), whose sum is σ = 44321091840. Its totient is φ = 9506488320.

The previous prime is 22124119987. The next prime is 22124120041. The reversal of 22124120025 is 52002142122.

It is not a de Polignac number, because 22124120025 - 2⁸ = 22124119769 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22124119983 and 22124120010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10967817 + ... + 10969833.

It is an arithmetic number, because the mean of its divisors is an integer number (461678040).

Almost surely, 2^22124120025 is an apocalyptic number.

22124120025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22124120025 is an abundant number, since it is smaller than the sum of its proper divisors (22196971815).

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

22124120025 is a wasteful number, since it uses less digits than its factorization.

22124120025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3283 (or 3278 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

Adding to 22124120025 its reverse (52002142122), we get a palindrome (74126262147).

The spelling of 22124120025 in words is "twenty-two billion, one hundred twenty-four million, one hundred twenty thousand, twenty-five".