3242655221 has 12 divisors (see below), whose sum is σ = 3513951360. Its totient is φ = 2990941200.

The previous prime is 3242655217. The next prime is 3242655257. The reversal of 3242655221 is 1225562423.

It is not a de Polignac number, because 3242655221 - 2² = 3242655217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3242685221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 239996 + ... + 253146.

It is an arithmetic number, because the mean of its divisors is an integer number (292829280).

Almost surely, 2^3242655221 is an apocalyptic number.

It is an amenable number.

3242655221 is a deficient number, since it is larger than the sum of its proper divisors (271296139).

3242655221 is a wasteful number, since it uses less digits than its factorization.

3242655221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14636 (or 14623 counting only the distinct ones).

The product of its digits is 28800, while the sum is 32.

The square root of 3242655221 is about 56944.3168454939. The cubic root of 3242655221 is about 1480.1313526285.

The spelling of 3242655221 in words is "three billion, two hundred forty-two million, six hundred fifty-five thousand, two hundred twenty-one".