2214717665 has 8 divisors (see below), whose sum is σ = 2658589800. Its totient is φ = 1771155072.

The previous prime is 2214717643. The next prime is 2214717671. The reversal of 2214717665 is 5667174122.

It can be written as a sum of positive squares in 4 ways, for example, as 376709281 + 1838008384 = 19409^2 + 42872^2 .

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 2214717665 - 2¹⁰ = 2214716641 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61340 + ... + 90509.

It is an arithmetic number, because the mean of its divisors is an integer number (332323725).

Almost surely, 2^2214717665 is an apocalyptic number.

It is an amenable number.

2214717665 is a deficient number, since it is larger than the sum of its proper divisors (443872135).

2214717665 is a wasteful number, since it uses less digits than its factorization.

2214717665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154771.

The product of its digits is 141120, while the sum is 41.

The square root of 2214717665 is about 47060.7869143728. The cubic root of 2214717665 is about 1303.4852562762.

The spelling of 2214717665 in words is "two billion, two hundred fourteen million, seven hundred seventeen thousand, six hundred sixty-five".