22312163641 has 8 divisors (see below), whose sum is σ = 22615214600. Its totient is φ = 22010901120.

The previous prime is 22312163593. The next prime is 22312163651. The reversal of 22312163641 is 14636121322.

It can be written as a sum of positive squares in 4 ways, for example, as 12995088016 + 9317075625 = 113996^2 + 96525^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22312163641 - 2¹⁵ = 22312130873 is a prime.

It is a super-3 number, since 3×22312163641³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22312163651) 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, 421980 + ... + 471901.

It is an arithmetic number, because the mean of its divisors is an integer number (2826901825).

Almost surely, 2^22312163641 is an apocalyptic number.

It is an amenable number.

22312163641 is a deficient number, since it is larger than the sum of its proper divisors (303050959).

22312163641 is a wasteful number, since it uses less digits than its factorization.

22312163641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894219.

The product of its digits is 10368, while the sum is 31.

Adding to 22312163641 its reverse (14636121322), we get a palindrome (36948284963).

The spelling of 22312163641 in words is "twenty-two billion, three hundred twelve million, one hundred sixty-three thousand, six hundred forty-one".