3221010221 has 8 divisors (see below), whose sum is σ = 3784124064. Its totient is φ = 2702945520.

The previous prime is 3221010217. The next prime is 3221010223. The reversal of 3221010221 is 1220101223.

It is a happy number.

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

It is not a de Polignac number, because 3221010221 - 2² = 3221010217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3221010196 and 3221010205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221010223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11262131 + ... + 11262416.

It is an arithmetic number, because the mean of its divisors is an integer number (473015508).

Almost surely, 2^3221010221 is an apocalyptic number.

It is an amenable number.

3221010221 is a deficient number, since it is larger than the sum of its proper divisors (563113843).

3221010221 is a wasteful number, since it uses less digits than its factorization.

3221010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22524571.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 3221010221 is about 56753.9445413268. The cubic root of 3221010221 is about 1476.8306632559.

Adding to 3221010221 its reverse (1220101223), we get a palindrome (4441111444).

The spelling of 3221010221 in words is "three billion, two hundred twenty-one million, ten thousand, two hundred twenty-one".