22666226022061 has 12 divisors (see below), whose sum is σ = 23933084431932. Its totient is φ = 21463292372544.

The previous prime is 22666226021993. The next prime is 22666226022073. The reversal of 22666226022061 is 16022062266622.

It can be written as a sum of positive squares in 2 ways, for example, as 1672702488900 + 20993523533161 = 1293330^2 + 4581869^2 .

It is not a de Polignac number, because 22666226022061 - 2¹¹ = 22666226020013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22666226021999 and 22666226022017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22666226022361) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13804126 + ... + 15358591.

It is an arithmetic number, because the mean of its divisors is an integer number (1994423702661).

Almost surely, 2^{22666226022061} is an apocalyptic number.

It is an amenable number.

22666226022061 is a deficient number, since it is larger than the sum of its proper divisors (1266858409871).

22666226022061 is a wasteful number, since it uses less digits than its factorization.

22666226022061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29164908 (or 29164889 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 43.

Adding to 22666226022061 its reverse (16022062266622), we get a palindrome (38688288288683).

The spelling of 22666226022061 in words is "twenty-two trillion, six hundred sixty-six billion, two hundred twenty-six million, twenty-two thousand, sixty-one".