3221448734 has 32 divisors (see below), whose sum is σ = 5767925760. Its totient is φ = 1320526368.

The previous prime is 3221448733. The next prime is 3221448739. The reversal of 3221448734 is 4378441223.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221448733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22142 + ... + 83265.

It is an arithmetic number, because the mean of its divisors is an integer number (180247680).

Almost surely, 2^3221448734 is an apocalyptic number.

3221448734 is a deficient number, since it is larger than the sum of its proper divisors (2546477026).

3221448734 is a wasteful number, since it uses less digits than its factorization.

3221448734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105512.

The product of its digits is 129024, while the sum is 38.

The square root of 3221448734 is about 56757.8076919819. The cubic root of 3221448734 is about 1476.8976795038.

Adding to 3221448734 its reverse (4378441223), we get a palindrome (7599889957).

The spelling of 3221448734 in words is "three billion, two hundred twenty-one million, four hundred forty-eight thousand, seven hundred thirty-four".