3221340243 has 16 divisors (see below), whose sum is σ = 4688409600. Its totient is φ = 1951150880.

The previous prime is 3221340223. The next prime is 3221340247. The reversal of 3221340243 is 3420431223.

It is a cyclic number.

It is not a de Polignac number, because 3221340243 - 2⁵ = 3221340211 is a prime.

It is a super-2 number, since 2×3221340243² = 20754065922342598098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3221340247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27838 + ... + 84956.

It is an arithmetic number, because the mean of its divisors is an integer number (293025600).

Almost surely, 2^3221340243 is an apocalyptic number.

3221340243 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

3221340243 is a deficient number, since it is larger than the sum of its proper divisors (1467069357).

3221340243 is a wasteful number, since it uses less digits than its factorization.

3221340243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58842.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 3221340243 is about 56756.8519475843. The cubic root of 3221340243 is about 1476.8810998096.

Adding to 3221340243 its reverse (3420431223), we get a palindrome (6641771466).

The spelling of 3221340243 in words is "three billion, two hundred twenty-one million, three hundred forty thousand, two hundred forty-three".