3221412211 has 4 divisors (see below), whose sum is σ = 3227973624. Its totient is φ = 3214850800.

The previous prime is 3221412203. The next prime is 3221412217. The reversal of 3221412211 is 1122141223.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3221412211 - 2³ = 3221412203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3221412217) 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, 3279970 + ... + 3280951.

It is an arithmetic number, because the mean of its divisors is an integer number (806993406).

Almost surely, 2^3221412211 is an apocalyptic number.

3221412211 is a deficient number, since it is larger than the sum of its proper divisors (6561413).

3221412211 is an equidigital number, since it uses as much as digits as its factorization.

3221412211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6561412.

The product of its digits is 192, while the sum is 19.

The square root of 3221412211 is about 56757.4859467894. The cubic root of 3221412211 is about 1476.8920980670.

Adding to 3221412211 its reverse (1122141223), we get a palindrome (4343553434).

The spelling of 3221412211 in words is "three billion, two hundred twenty-one million, four hundred twelve thousand, two hundred eleven".