3221506546 has 16 divisors (see below), whose sum is σ = 5205017088. Its totient is φ = 1491019200.

The previous prime is 3221506537. The next prime is 3221506553. The reversal of 3221506546 is 6456051223.

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 7 ways as a sum of consecutive naturals, for example, 1128135 + ... + 1130986.

It is an arithmetic number, because the mean of its divisors is an integer number (325313568).

Almost surely, 2^3221506546 is an apocalyptic number.

3221506546 is a deficient number, since it is larger than the sum of its proper divisors (1983510542).

3221506546 is a wasteful number, since it uses less digits than its factorization.

3221506546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2259177.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 3221506546 is about 56758.3169764573. The cubic root of 3221506546 is about 1476.9065142347.

Adding to 3221506546 its reverse (6456051223), we get a palindrome (9677557769).

The spelling of 3221506546 in words is "three billion, two hundred twenty-one million, five hundred six thousand, five hundred forty-six".