3223539947 has 4 divisors (see below), whose sum is σ = 3225598656. Its totient is φ = 3221481240.

The previous prime is 3223539931. The next prime is 3223539961. The reversal of 3223539947 is 7499353223.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3223539947 - 2⁴ = 3223539931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3223539647) 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, 1027004 + ... + 1030137.

It is an arithmetic number, because the mean of its divisors is an integer number (806399664).

Almost surely, 2^3223539947 is an apocalyptic number.

3223539947 is a deficient number, since it is larger than the sum of its proper divisors (2058709).

3223539947 is a wasteful number, since it uses less digits than its factorization.

3223539947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2058708.

The product of its digits is 1224720, while the sum is 47.

The square root of 3223539947 is about 56776.2269528365. The cubic root of 3223539947 is about 1477.2171878801.

The spelling of 3223539947 in words is "three billion, two hundred twenty-three million, five hundred thirty-nine thousand, nine hundred forty-seven".