22312163656 has 64 divisors (see below), whose sum is σ = 44657786880. Its totient is φ = 10428264000.

The previous prime is 22312163651. The next prime is 22312163659. The reversal of 22312163656 is 65636121322.

It is a super-3 number, since 3×22312163656³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (22312163651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1558531 + ... + 1572781.

It is an arithmetic number, because the mean of its divisors is an integer number (697777920).

Almost surely, 2^22312163656 is an apocalyptic number.

It is an amenable number.

22312163656 is an abundant number, since it is smaller than the sum of its proper divisors (22345623224).

22312163656 is a wasteful number, since it uses less digits than its factorization.

22312163656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14474 (or 14470 counting only the distinct ones).

The product of its digits is 77760, while the sum is 37.

Adding to 22312163656 its reverse (65636121322), we get a palindrome (87948284978).

The spelling of 22312163656 in words is "twenty-two billion, three hundred twelve million, one hundred sixty-three thousand, six hundred fifty-six".