2165234002 has 8 divisors (see below), whose sum is σ = 3438901116. Its totient is φ = 1018933632.

The previous prime is 2165233999. The next prime is 2165234003. The reversal of 2165234002 is 2004325612.

It can be written as a sum of positive squares in 2 ways, for example, as 2078539281 + 86694721 = 45591^2 + 9311^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2165234003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31841643 + ... + 31841710.

Almost surely, 2^2165234002 is an apocalyptic number.

2165234002 is a deficient number, since it is larger than the sum of its proper divisors (1273667114).

2165234002 is a wasteful number, since it uses less digits than its factorization.

2165234002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63683372.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 2165234002 is about 46532.0749805981. The cubic root of 2165234002 is about 1293.7040750982.

Adding to 2165234002 its reverse (2004325612), we get a palindrome (4169559614).

The spelling of 2165234002 in words is "two billion, one hundred sixty-five million, two hundred thirty-four thousand, two".