22165668053 has 4 divisors (see below), whose sum is σ = 22280516268. Its totient is φ = 22050819840.

The previous prime is 22165668037. The next prime is 22165668067. The reversal of 22165668053 is 35086656122.

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

It can be written as a sum of positive squares in 2 ways, for example, as 15896670724 + 6268997329 = 126082^2 + 79177^2 .

It is a cyclic number.

It is not a de Polignac number, because 22165668053 - 2⁴ = 22165668037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22165667995 and 22165668013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22165668653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57423818 + ... + 57424203.

It is an arithmetic number, because the mean of its divisors is an integer number (5570129067).

Almost surely, 2^22165668053 is an apocalyptic number.

It is an amenable number.

22165668053 is a deficient number, since it is larger than the sum of its proper divisors (114848215).

22165668053 is a wasteful number, since it uses less digits than its factorization.

22165668053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114848214.

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 22165668053 in words is "twenty-two billion, one hundred sixty-five million, six hundred sixty-eight thousand, fifty-three".