22512004260 has 96 divisors (see below), whose sum is σ = 64154788992. Its totient is φ = 5897088000.

The previous prime is 22512004223. The next prime is 22512004267. The reversal of 22512004260 is 6240021522.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22512004260.

It is not an unprimeable number, because it can be changed into a prime (22512004267) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1089142 + ... + 1109618.

It is an arithmetic number, because the mean of its divisors is an integer number (668279052).

Almost surely, 2^22512004260 is an apocalyptic number.

22512004260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22512004260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32077394496).

22512004260 is an abundant number, since it is smaller than the sum of its proper divisors (41642784732).

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

22512004260 is a wasteful number, since it uses less digits than its factorization.

22512004260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20813 (or 20811 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 22512004260 its reverse (6240021522), we get a palindrome (28752025782).

The spelling of 22512004260 in words is "twenty-two billion, five hundred twelve million, four thousand, two hundred sixty".