3220260247 has 2 divisors, whose sum is σ = 3220260248. Its totient is φ = 3220260246.

The previous prime is 3220260227. The next prime is 3220260347. The reversal of 3220260247 is 7420620223.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3220260247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3220260227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1610130123 + 1610130124.

It is an arithmetic number, because the mean of its divisors is an integer number (1610130124).

Almost surely, 2^3220260247 is an apocalyptic number.

3220260247 is a deficient number, since it is larger than the sum of its proper divisors (1).

3220260247 is an equidigital number, since it uses as much as digits as its factorization.

3220260247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 3220260247 is about 56747.3369154888. The cubic root of 3220260247 is about 1476.7160335282.

The spelling of 3220260247 in words is "three billion, two hundred twenty million, two hundred sixty thousand, two hundred forty-seven".