3221213044 has 24 divisors (see below), whose sum is σ = 6616547840. Its totient is φ = 1343208096.

The previous prime is 3221213041. The next prime is 3221213123. The reversal of 3221213044 is 4403121223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221213041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1553604 + ... + 1555675.

Almost surely, 2^3221213044 is an apocalyptic number.

It is an amenable number.

3221213044 is an abundant number, since it is smaller than the sum of its proper divisors (3395334796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3221213044 is a wasteful number, since it uses less digits than its factorization.

3221213044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3109327 (or 3109325 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 3221213044 is about 56755.7313757827. The cubic root of 3221213044 is about 1476.8616606675.

Adding to 3221213044 its reverse (4403121223), we get a palindrome (7624334267).

The spelling of 3221213044 in words is "three billion, two hundred twenty-one million, two hundred thirteen thousand, forty-four".