3223212643 has 4 divisors (see below), whose sum is σ = 3683671600. Its totient is φ = 2762753688.

The previous prime is 3223212637. The next prime is 3223212673. The reversal of 3223212643 is 3462123223.

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 3223212643 - 2¹⁷ = 3223081571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3223212613) 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, 230229468 + ... + 230229481.

It is an arithmetic number, because the mean of its divisors is an integer number (920917900).

Almost surely, 2^3223212643 is an apocalyptic number.

3223212643 is a deficient number, since it is larger than the sum of its proper divisors (460458957).

3223212643 is an equidigital number, since it uses as much as digits as its factorization.

3223212643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460458956.

The product of its digits is 10368, while the sum is 28.

The square root of 3223212643 is about 56773.3444760831. The cubic root of 3223212643 is about 1477.1671894863.

Adding to 3223212643 its reverse (3462123223), we get a palindrome (6685335866).

The spelling of 3223212643 in words is "three billion, two hundred twenty-three million, two hundred twelve thousand, six hundred forty-three".