3214203221 has 4 divisors (see below), whose sum is σ = 3214875852. Its totient is φ = 3213530592.

The previous prime is 3214203193. The next prime is 3214203253. The reversal of 3214203221 is 1223024123.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1223024123 = 179 ⋅6832537.

It can be written as a sum of positive squares in 2 ways, for example, as 1737722596 + 1476480625 = 41686^2 + 38425^2 .

It is a cyclic number.

It is not a de Polignac number, because 3214203221 - 2¹⁰ = 3214202197 is a prime.

It is a super-2 number, since 2×3214203221² = 20662204691773549682, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3214203193 and 3214203202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3214202221) 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 3 ways as a sum of consecutive naturals, for example, 329096 + ... + 338721.

It is an arithmetic number, because the mean of its divisors is an integer number (803718963).

Almost surely, 2^3214203221 is an apocalyptic number.

It is an amenable number.

3214203221 is a deficient number, since it is larger than the sum of its proper divisors (672631).

3214203221 is an equidigital number, since it uses as much as digits as its factorization.

3214203221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672630.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 3214203221 is about 56693.9434243200. The cubic root of 3214203221 is about 1475.7895948210.

Adding to 3214203221 its reverse (1223024123), we get a palindrome (4437227344).

The spelling of 3214203221 in words is "three billion, two hundred fourteen million, two hundred three thousand, two hundred twenty-one".