3220220137 has 2 divisors, whose sum is σ = 3220220138. Its totient is φ = 3220220136.

The previous prime is 3220220131. The next prime is 3220220141. The reversal of 3220220137 is 7310220223.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3052673001 + 167547136 = 55251^2 + 12944^2 .

It is a cyclic number.

It is not a de Polignac number, because 3220220137 - 2⁷ = 3220220009 is a prime.

It is not a weakly prime, because it can be changed into another prime (3220220131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1610110068 + 1610110069.

It is an arithmetic number, because the mean of its divisors is an integer number (1610110069).

Almost surely, 2^3220220137 is an apocalyptic number.

It is an amenable number.

3220220137 is a deficient number, since it is larger than the sum of its proper divisors (1).

3220220137 is an equidigital number, since it uses as much as digits as its factorization.

3220220137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 3220220137 is about 56746.9835057336. The cubic root of 3220220137 is about 1476.7099024165.

The spelling of 3220220137 in words is "three billion, two hundred twenty million, two hundred twenty thousand, one hundred thirty-seven".