3220212211 has 4 divisors (see below), whose sum is σ = 3223373400. Its totient is φ = 3217051024.

The previous prime is 3220212173. The next prime is 3220212217. The reversal of 3220212211 is 1122120223.

It is a happy number.

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 3220212211 - 2⁹ = 3220211699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3220212217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1579066 + ... + 1581103.

It is an arithmetic number, because the mean of its divisors is an integer number (805843350).

Almost surely, 2^3220212211 is an apocalyptic number.

3220212211 is a deficient number, since it is larger than the sum of its proper divisors (3161189).

3220212211 is a wasteful number, since it uses less digits than its factorization.

3220212211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3161188.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 3220212211 is about 56746.9136693794. The cubic root of 3220212211 is about 1476.7086908625.

Adding to 3220212211 its reverse (1122120223), we get a palindrome (4342332434).

The spelling of 3220212211 in words is "three billion, two hundred twenty million, two hundred twelve thousand, two hundred eleven".