3221110221 has 32 divisors (see below), whose sum is σ = 5054449920. Its totient is φ = 1786116096.

The previous prime is 3221110199. The next prime is 3221110229. The reversal of 3221110221 is 1220111223.

It is not a de Polignac number, because 3221110221 - 2¹³ = 3221102029 is a prime.

It is a super-3 number, since 3×3221110221³ (a number of 30 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3221110221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221110229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 296925 + ... + 307581.

It is an arithmetic number, because the mean of its divisors is an integer number (157951560).

Almost surely, 2^3221110221 is an apocalyptic number.

It is an amenable number.

3221110221 is a deficient number, since it is larger than the sum of its proper divisors (1833339699).

3221110221 is a wasteful number, since it uses less digits than its factorization.

3221110221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11093.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 3221110221 is about 56754.8255305221. The cubic root of 3221110221 is about 1476.8459464050.

Adding to 3221110221 its reverse (1220111223), we get a palindrome (4441221444).

The spelling of 3221110221 in words is "three billion, two hundred twenty-one million, one hundred ten thousand, two hundred twenty-one".