3220869247 has 2 divisors, whose sum is σ = 3220869248. Its totient is φ = 3220869246.

The previous prime is 3220869241. The next prime is 3220869271. The reversal of 3220869247 is 7429680223.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3220869247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3220869241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1610434623 + 1610434624.

It is an arithmetic number, because the mean of its divisors is an integer number (1610434624).

Almost surely, 2^3220869247 is an apocalyptic number.

3220869247 is a deficient number, since it is larger than the sum of its proper divisors (1).

3220869247 is an equidigital number, since it uses as much as digits as its factorization.

3220869247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 43.

The square root of 3220869247 is about 56752.7025523895. The cubic root of 3220869247 is about 1476.8091174521.

The spelling of 3220869247 in words is "three billion, two hundred twenty million, eight hundred sixty-nine thousand, two hundred forty-seven".