3220231111 has 4 divisors (see below), whose sum is σ = 3220602352. Its totient is φ = 3219859872.

The previous prime is 3220231067. The next prime is 3220231121. The reversal of 3220231111 is 1111320223.

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 3220231111 - 2²⁵ = 3186676679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220231121) 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, 172290 + ... + 190063.

It is an arithmetic number, because the mean of its divisors is an integer number (805150588).

Almost surely, 2^3220231111 is an apocalyptic number.

3220231111 is a deficient number, since it is larger than the sum of its proper divisors (371241).

3220231111 is an equidigital number, since it uses as much as digits as its factorization.

3220231111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371240.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 3220231111 is about 56747.0801980155. The cubic root of 3220231111 is about 1476.7115798791.

Adding to 3220231111 its reverse (1111320223), we get a palindrome (4331551334).

The spelling of 3220231111 in words is "three billion, two hundred twenty million, two hundred thirty-one thousand, one hundred eleven".