3221540241 has 16 divisors (see below), whose sum is σ = 4483454976. Its totient is φ = 2053714256.

The previous prime is 3221540233. The next prime is 3221540251. The reversal of 3221540241 is 1420451223.

It is a cyclic number.

It is not a de Polignac number, because 3221540241 - 2³ = 3221540233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3221540251) 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, 465976 + ... + 472838.

It is an arithmetic number, because the mean of its divisors is an integer number (280215936).

Almost surely, 2^3221540241 is an apocalyptic number.

It is an amenable number.

3221540241 is a deficient number, since it is larger than the sum of its proper divisors (1261914735).

3221540241 is a wasteful number, since it uses less digits than its factorization.

3221540241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13692.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 3221540241 is about 56758.6138044262. The cubic root of 3221540241 is about 1476.9116633982.

Adding to 3221540241 its reverse (1420451223), we get a palindrome (4641991464).

The spelling of 3221540241 in words is "three billion, two hundred twenty-one million, five hundred forty thousand, two hundred forty-one".