3265630221 has 8 divisors (see below), whose sum is σ = 4976198464. Its totient is φ = 1866074400.

The previous prime is 3265630219. The next prime is 3265630223. The reversal of 3265630221 is 1220365623.

It is an interprime number because it is at equal distance from previous prime (3265630219) and next prime (3265630223).

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

It is not a de Polignac number, because 3265630221 - 2¹ = 3265630219 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3265630223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77753080 + ... + 77753121.

It is an arithmetic number, because the mean of its divisors is an integer number (622024808).

Almost surely, 2^3265630221 is an apocalyptic number.

It is an amenable number.

3265630221 is a deficient number, since it is larger than the sum of its proper divisors (1710568243).

3265630221 is a wasteful number, since it uses less digits than its factorization.

3265630221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155506211.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 3265630221 is about 57145.6929348136. The cubic root of 3265630221 is about 1483.6188257568.

Adding to 3265630221 its reverse (1220365623), we get a palindrome (4485995844).

The spelling of 3265630221 in words is "three billion, two hundred sixty-five million, six hundred thirty thousand, two hundred twenty-one".