3221625611 has 2 divisors, whose sum is σ = 3221625612. Its totient is φ = 3221625610.

The previous prime is 3221625587. The next prime is 3221625629. The reversal of 3221625611 is 1165261223.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3221625611 - 2²² = 3217431307 is a prime.

It is a super-2 number, since 2×3221625611² = 20757743154902246642, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3221625311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1610812805 + 1610812806.

It is an arithmetic number, because the mean of its divisors is an integer number (1610812806).

Almost surely, 2^3221625611 is an apocalyptic number.

3221625611 is a deficient number, since it is larger than the sum of its proper divisors (1).

3221625611 is an equidigital number, since it uses as much as digits as its factorization.

3221625611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 29.

The square root of 3221625611 is about 56759.3658438852. The cubic root of 3221625611 is about 1476.9247092112.

Adding to 3221625611 its reverse (1165261223), we get a palindrome (4386886834).

The spelling of 3221625611 in words is "three billion, two hundred twenty-one million, six hundred twenty-five thousand, six hundred eleven".