22012344522866 has 4 divisors (see below), whose sum is σ = 33018516784302. Its totient is φ = 11006172261432.

The previous prime is 22012344522827. The next prime is 22012344522899. The reversal of 22012344522866 is 66822544321022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 21304271079025 + 708073443841 = 4615655^2 + 841471^2 .

It is a super-2 number, since 2×22012344522866² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22012344522866.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5503086130715 + ... + 5503086130718.

Almost surely, 2^{22012344522866} is an apocalyptic number.

22012344522866 is a deficient number, since it is larger than the sum of its proper divisors (11006172261436).

22012344522866 is a wasteful number, since it uses less digits than its factorization.

22012344522866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11006172261435.

The product of its (nonzero) digits is 2211840, while the sum is 47.

Adding to 22012344522866 its reverse (66822544321022), we get a palindrome (88834888843888).

The spelling of 22012344522866 in words is "twenty-two trillion, twelve billion, three hundred forty-four million, five hundred twenty-two thousand, eight hundred sixty-six".