22813268852 has 18 divisors (see below), whose sum is σ = 43882549074. Its totient is φ = 10369667440.

The previous prime is 22813268851. The next prime is 22813268861. The reversal of 22813268852 is 25886231822.

It can be written as a sum of positive squares in only one way, i.e., 21967389796 + 845879056 = 148214^2 + 29084^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22813268797 and 22813268806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22813268851) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23566943 + ... + 23567910.

It is an arithmetic number, because the mean of its divisors is an integer number (2437919393).

Almost surely, 2^22813268852 is an apocalyptic number.

22813268852 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22813268852 is a deficient number, since it is larger than the sum of its proper divisors (21069280222).

22813268852 is a wasteful number, since it uses less digits than its factorization.

22813268852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47134879 (or 47134866 counting only the distinct ones).

The product of its digits is 737280, while the sum is 47.

The spelling of 22813268852 in words is "twenty-two billion, eight hundred thirteen million, two hundred sixty-eight thousand, eight hundred fifty-two".