3200223221 has 4 divisors (see below), whose sum is σ = 3446394252. Its totient is φ = 2954052192.

The previous prime is 3200223211. The next prime is 3200223233. The reversal of 3200223221 is 1223220023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1223220023 = 17 ⋅71954119.

It can be written as a sum of positive squares in 2 ways, for example, as 1790220721 + 1410002500 = 42311^2 + 37550^2 .

It is not a de Polignac number, because 3200223221 - 2¹⁰ = 3200222197 is a prime.

It is a super-2 number, since 2×3200223221² = 20482857328455229682, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3200223221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3200223211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123085496 + ... + 123085521.

It is an arithmetic number, because the mean of its divisors is an integer number (861598563).

Almost surely, 2^3200223221 is an apocalyptic number.

It is an amenable number.

3200223221 is a deficient number, since it is larger than the sum of its proper divisors (246171031).

3200223221 is a wasteful number, since it uses less digits than its factorization.

3200223221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246171030.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 3200223221 is about 56570.5154740524. The cubic root of 3200223221 is about 1473.6468633759.

Adding to 3200223221 its reverse (1223220023), we get a palindrome (4423443244).

The spelling of 3200223221 in words is "three billion, two hundred million, two hundred twenty-three thousand, two hundred twenty-one".