335220665 has 8 divisors (see below), whose sum is σ = 433208328. Its totient is φ = 247547520.

The previous prime is 335220659. The next prime is 335220673. The reversal of 335220665 is 566022533.

It can be written as a sum of positive squares in 4 ways, for example, as 952576 + 334268089 = 976^2 + 18283^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 335220665 - 2⁸ = 335220409 is a prime.

It is a super-2 number, since 2×335220665² = 224745788486084450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2578556 + ... + 2578685.

It is an arithmetic number, because the mean of its divisors is an integer number (54151041).

Almost surely, 2^335220665 is an apocalyptic number.

It is an amenable number.

335220665 is a deficient number, since it is larger than the sum of its proper divisors (97987663).

335220665 is a wasteful number, since it uses less digits than its factorization.

335220665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5157259.

The product of its (nonzero) digits is 32400, while the sum is 32.

The square root of 335220665 is about 18309.0323337963. The cubic root of 335220665 is about 694.6674150124.

The spelling of 335220665 in words is "three hundred thirty-five million, two hundred twenty thousand, six hundred sixty-five".