3212304221 has 24 divisors (see below), whose sum is σ = 3845854296. Its totient is φ = 2673336960.

The previous prime is 3212304211. The next prime is 3212304233. The reversal of 3212304221 is 1224032123.

It can be written as a sum of positive squares in 4 ways, for example, as 48804196 + 3163500025 = 6986^2 + 56245^2 .

It is not a de Polignac number, because 3212304221 - 2³⁰ = 2138562397 is a prime.

It is a super-3 number, since 3×3212304221³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3212304193 and 3212304202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3212304211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1008251 + ... + 1011431.

It is an arithmetic number, because the mean of its divisors is an integer number (160243929).

Almost surely, 2^3212304221 is an apocalyptic number.

It is an amenable number.

3212304221 is a deficient number, since it is larger than the sum of its proper divisors (633550075).

3212304221 is a wasteful number, since it uses less digits than its factorization.

3212304221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3789 (or 3782 counting only the distinct ones).

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

The square root of 3212304221 is about 56677.1931291591. The cubic root of 3212304221 is about 1475.4988979408.

Adding to 3212304221 its reverse (1224032123), we get a palindrome (4436336344).

The spelling of 3212304221 in words is "three billion, two hundred twelve million, three hundred four thousand, two hundred twenty-one".