3222231021 has 12 divisors (see below), whose sum is σ = 4657041948. Its totient is φ = 2146904064.

The previous prime is 3222231011. The next prime is 3222231037. The reversal of 3222231021 is 1201322223.

It can be written as a sum of positive squares in 2 ways, for example, as 1680098121 + 1542132900 = 40989^2 + 39270^2 .

It is not a de Polignac number, because 3222231021 - 2⁹ = 3222230509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3222230985 and 3222231003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3222231011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87700 + ... + 118893.

It is an arithmetic number, because the mean of its divisors is an integer number (388086829).

Almost surely, 2^3222231021 is an apocalyptic number.

It is an amenable number.

3222231021 is a deficient number, since it is larger than the sum of its proper divisors (1434810927).

3222231021 is a wasteful number, since it uses less digits than its factorization.

3222231021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208332 (or 208329 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 3222231021 is about 56764.6987220050. The cubic root of 3222231021 is about 1477.0172183037.

Adding to 3222231021 its reverse (1201322223), we get a palindrome (4423553244).

The spelling of 3222231021 in words is "three billion, two hundred twenty-two million, two hundred thirty-one thousand, twenty-one".