22248782852 has 12 divisors (see below), whose sum is σ = 38937183180. Its totient is φ = 11123873376.

The previous prime is 22248782851. The next prime is 22248782867. The reversal of 22248782852 is 25828784222.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4046995456 + 18201787396 = 63616^2 + 134914^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22248782852.

It is not an unprimeable number, because it can be changed into a prime (22248782851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23183 + ... + 212214.

It is an arithmetic number, because the mean of its divisors is an integer number (3244765265).

Almost surely, 2^22248782852 is an apocalyptic number.

It is an amenable number.

22248782852 is a deficient number, since it is larger than the sum of its proper divisors (16688400328).

22248782852 is a wasteful number, since it uses less digits than its factorization.

22248782852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259030 (or 259028 counting only the distinct ones).

The product of its digits is 2293760, while the sum is 50.

The spelling of 22248782852 in words is "twenty-two billion, two hundred forty-eight million, seven hundred eighty-two thousand, eight hundred fifty-two".