22656310312 has 32 divisors (see below), whose sum is σ = 44992604520. Its totient is φ = 10658672640.

The previous prime is 22656310301. The next prime is 22656310319. The reversal of 22656310312 is 21301365622.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 21378533796 + 1277776516 = 146214^2 + 35746^2 .

It is not an unprimeable number, because it can be changed into a prime (22656310319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 480262 + ... + 525322.

Almost surely, 2^22656310312 is an apocalyptic number.

It is an amenable number.

22656310312 is a deficient number, since it is larger than the sum of its proper divisors (22336294208).

22656310312 is a wasteful number, since it uses less digits than its factorization.

22656310312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48781 (or 48777 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

Adding to 22656310312 its reverse (21301365622), we get a palindrome (43957675934).

The spelling of 22656310312 in words is "twenty-two billion, six hundred fifty-six million, three hundred ten thousand, three hundred twelve".