3222221131 has 2 divisors, whose sum is σ = 3222221132. Its totient is φ = 3222221130.

The previous prime is 3222221129. The next prime is 3222221161. The reversal of 3222221131 is 1311222223.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3222221131 - 2¹ = 3222221129 is a prime.

It is a super-2 number, since 2×3222221131² = 20765418034125838322, which contains 22 as substring.

Together with 3222221129, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 3222221099 and 3222221108.

It is not a weakly prime, because it can be changed into another prime (3222221161) 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 as a sum of consecutive naturals, namely, 1611110565 + 1611110566.

It is an arithmetic number, because the mean of its divisors is an integer number (1611110566).

Almost surely, 2^3222221131 is an apocalyptic number.

3222221131 is a deficient number, since it is larger than the sum of its proper divisors (1).

3222221131 is an equidigital number, since it uses as much as digits as its factorization.

3222221131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288, while the sum is 19.

The square root of 3222221131 is about 56764.6116079376. The cubic root of 3222221131 is about 1477.0157071648.

Adding to 3222221131 its reverse (1311222223), we get a palindrome (4533443354).

The spelling of 3222221131 in words is "three billion, two hundred twenty-two million, two hundred twenty-one thousand, one hundred thirty-one".