3221243544 has 16 divisors (see below), whose sum is σ = 8053108920. Its totient is φ = 1073747840.

The previous prime is 3221243539. The next prime is 3221243549. The reversal of 3221243544 is 4453421223.

It is an interprime number because it is at equal distance from previous prime (3221243539) and next prime (3221243549).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221243549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67109217 + ... + 67109264.

Almost surely, 2^3221243544 is an apocalyptic number.

It is an amenable number.

3221243544 is an abundant number, since it is smaller than the sum of its proper divisors (4831865376).

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

3221243544 is a wasteful number, since it uses less digits than its factorization.

3221243544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134218490 (or 134218486 counting only the distinct ones).

The product of its digits is 23040, while the sum is 30.

The square root of 3221243544 is about 56756.0000704771. Note that the first 4 decimals coincide. The cubic root of 3221243544 is about 1476.8663218659.

Adding to 3221243544 its reverse (4453421223), we get a palindrome (7674664767).

The spelling of 3221243544 in words is "three billion, two hundred twenty-one million, two hundred forty-three thousand, five hundred forty-four".