2232601665 has 32 divisors (see below), whose sum is σ = 4105313280. Its totient is φ = 1014907584.

The previous prime is 2232601649. The next prime is 2232601729. The reversal of 2232601665 is 5661062322.

It is not a de Polignac number, because 2232601665 - 2⁴ = 2232601649 is a prime.

It is a super-3 number, since 3×2232601665³ (a number of 29 digits) contains 333 as substring.

It is a Curzon number.

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 31 ways as a sum of consecutive naturals, for example, 40599 + ... + 78188.

It is an arithmetic number, because the mean of its divisors is an integer number (128291040).

Almost surely, 2^2232601665 is an apocalyptic number.

It is an amenable number.

2232601665 is a deficient number, since it is larger than the sum of its proper divisors (1872711615).

2232601665 is a wasteful number, since it uses less digits than its factorization.

2232601665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118981.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 2232601665 is about 47250.4144426268. The cubic root of 2232601665 is about 1306.9844326071.

Adding to 2232601665 its reverse (5661062322), we get a palindrome (7893663987).

The spelling of 2232601665 in words is "two billion, two hundred thirty-two million, six hundred one thousand, six hundred sixty-five".