3223643347 has 4 divisors (see below), whose sum is σ = 3224591280. Its totient is φ = 3222695416.

The previous prime is 3223643329. The next prime is 3223643351. The reversal of 3223643347 is 7433463223.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7433463223 = 1559 ⋅4768097.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3223643347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3223643147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 468847 + ... + 475672.

It is an arithmetic number, because the mean of its divisors is an integer number (806147820).

Almost surely, 2^3223643347 is an apocalyptic number.

3223643347 is a deficient number, since it is larger than the sum of its proper divisors (947933).

3223643347 is an equidigital number, since it uses as much as digits as its factorization.

3223643347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947932.

The product of its digits is 217728, while the sum is 37.

The square root of 3223643347 is about 56777.1375379210. The cubic root of 3223643347 is about 1477.2329823821.

The spelling of 3223643347 in words is "three billion, two hundred twenty-three million, six hundred forty-three thousand, three hundred forty-seven".