3221543242 has 32 divisors (see below), whose sum is σ = 5112072000. Its totient is φ = 1520429568.

The previous prime is 3221543239. The next prime is 3221543261. The reversal of 3221543242 is 2423451223.

It is a self number, because there is not a number n which added to its sum of digits gives 3221543242.

It is an unprimeable number.

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, 463509 + ... + 470407.

It is an arithmetic number, because the mean of its divisors is an integer number (159752250).

Almost surely, 2^3221543242 is an apocalyptic number.

3221543242 is a deficient number, since it is larger than the sum of its proper divisors (1890528758).

3221543242 is a wasteful number, since it uses less digits than its factorization.

3221543242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7110.

The product of its digits is 11520, while the sum is 28.

The square root of 3221543242 is about 56758.6402409360. The cubic root of 3221543242 is about 1476.9121219998.

Adding to 3221543242 its reverse (2423451223), we get a palindrome (5644994465).

It can be divided in two parts, 32215 and 43242, that added together give a palindrome (75457).

The spelling of 3221543242 in words is "three billion, two hundred twenty-one million, five hundred forty-three thousand, two hundred forty-two".