3215223247 has 2 divisors, whose sum is σ = 3215223248. Its totient is φ = 3215223246.

The previous prime is 3215223241. The next prime is 3215223257. The reversal of 3215223247 is 7423225123.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3215223247 - 2¹¹ = 3215221199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3215223241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1607611623 + 1607611624.

It is an arithmetic number, because the mean of its divisors is an integer number (1607611624).

Almost surely, 2^3215223247 is an apocalyptic number.

3215223247 is a deficient number, since it is larger than the sum of its proper divisors (1).

3215223247 is an equidigital number, since it uses as much as digits as its factorization.

3215223247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 31.

The square root of 3215223247 is about 56702.9386099169. The cubic root of 3215223247 is about 1475.9456920393.

The spelling of 3215223247 in words is "three billion, two hundred fifteen million, two hundred twenty-three thousand, two hundred forty-seven".