3224055221 has 4 divisors (see below), whose sum is σ = 3255356832. Its totient is φ = 3192753612.

The previous prime is 3224055217. The next prime is 3224055229. The reversal of 3224055221 is 1225504223.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1225504223 = 7523 ⋅162901.

It is a cyclic number.

It is not a de Polignac number, because 3224055221 - 2² = 3224055217 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 (3224055229) 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, 15650651 + ... + 15650856.

It is an arithmetic number, because the mean of its divisors is an integer number (813839208).

Almost surely, 2^3224055221 is an apocalyptic number.

It is an amenable number.

3224055221 is a deficient number, since it is larger than the sum of its proper divisors (31301611).

3224055221 is a wasteful number, since it uses less digits than its factorization.

3224055221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31301610.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 3224055221 is about 56780.7645334228. The cubic root of 3224055221 is about 1477.2958933890.

Adding to 3224055221 its reverse (1225504223), we get a palindrome (4449559444).

The spelling of 3224055221 in words is "three billion, two hundred twenty-four million, fifty-five thousand, two hundred twenty-one".