3224132221 has 4 divisors (see below), whose sum is σ = 3227099392. Its totient is φ = 3221165052.

The previous prime is 3224132213. The next prime is 3224132237. The reversal of 3224132221 is 1222314223.

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: 1222314223 = 13 ⋅94024171.

It is a cyclic number.

It is not a de Polignac number, because 3224132221 - 2³ = 3224132213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3224132192 and 3224132201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3224132251) 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, 1481955 + ... + 1484128.

It is an arithmetic number, because the mean of its divisors is an integer number (806774848).

Almost surely, 2^3224132221 is an apocalyptic number.

It is an amenable number.

3224132221 is a deficient number, since it is larger than the sum of its proper divisors (2967171).

3224132221 is a wasteful number, since it uses less digits than its factorization.

3224132221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2967170.

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

The square root of 3224132221 is about 56781.4425758980. The cubic root of 3224132221 is about 1477.3076540311.

Adding to 3224132221 its reverse (1222314223), we get a palindrome (4446446444).

The spelling of 3224132221 in words is "three billion, two hundred twenty-four million, one hundred thirty-two thousand, two hundred twenty-one".