5522717722666 has 4 divisors (see below), whose sum is σ = 8284076584002. Its totient is φ = 2761358861332.

The previous prime is 5522717722657. The next prime is 5522717722667. The reversal of 5522717722666 is 6662277172255.

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., 4350415635225 + 1172302087441 = 2085765^2 + 1082729^2 .

It is a super-2 number, since 2×5522717722666² (a number of 26 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 5522717722666.

It is not an unprimeable number, because it can be changed into a prime (5522717722667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1380679430665 + ... + 1380679430668.

Almost surely, 2^{5522717722666} is an apocalyptic number.

5522717722666 is a deficient number, since it is larger than the sum of its proper divisors (2761358861336).

5522717722666 is a wasteful number, since it uses less digits than its factorization.

5522717722666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2761358861335.

The product of its digits is 29635200, while the sum is 58.

The spelling of 5522717722666 in words is "five trillion, five hundred twenty-two billion, seven hundred seventeen million, seven hundred twenty-two thousand, six hundred sixty-six".