3221220007 has 2 divisors, whose sum is σ = 3221220008. Its totient is φ = 3221220006.

The previous prime is 3221219983. The next prime is 3221220017. The reversal of 3221220007 is 7000221223.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3221220007 - 2¹¹ = 3221217959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3221220017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1610610003 + 1610610004.

It is an arithmetic number, because the mean of its divisors is an integer number (1610610004).

Almost surely, 2^3221220007 is an apocalyptic number.

3221220007 is a deficient number, since it is larger than the sum of its proper divisors (1).

3221220007 is an equidigital number, since it uses as much as digits as its factorization.

3221220007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 3221220007 is about 56755.7927175720. The cubic root of 3221220007 is about 1476.8627247988.

The spelling of 3221220007 in words is "three billion, two hundred twenty-one million, two hundred twenty thousand, seven".