2223266550665 has 8 divisors (see below), whose sum is σ = 2668087992840. Its totient is φ = 1778501152512.

The previous prime is 2223266550607. The next prime is 2223266550707. The reversal of 2223266550665 is 5660556623222.

It can be written as a sum of positive squares in 4 ways, for example, as 399005725561 + 1824260825104 = 631669^2 + 1350652^2 .

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 2223266550665 - 2³⁰ = 2222192808841 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13923680 + ... + 14082449.

It is an arithmetic number, because the mean of its divisors is an integer number (333510999105).

Almost surely, 2^{2223266550665} is an apocalyptic number.

It is an amenable number.

2223266550665 is a deficient number, since it is larger than the sum of its proper divisors (444821442175).

2223266550665 is a wasteful number, since it uses less digits than its factorization.

2223266550665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28022011.

The product of its (nonzero) digits is 7776000, while the sum is 50.

The spelling of 2223266550665 in words is "two trillion, two hundred twenty-three billion, two hundred sixty-six million, five hundred fifty thousand, six hundred sixty-five".