3211221233 has 8 divisors (see below), whose sum is σ = 3511891296. Its totient is φ = 2912008000.

The previous prime is 3211221203. The next prime is 3211221241. The reversal of 3211221233 is 3321221123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3211221233 - 2¹⁴ = 3211204849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3211221203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 359591 + ... + 368412.

It is an arithmetic number, because the mean of its divisors is an integer number (438986412).

Almost surely, 2^3211221233 is an apocalyptic number.

It is an amenable number.

3211221233 is a deficient number, since it is larger than the sum of its proper divisors (300670063).

3211221233 is a wasteful number, since it uses less digits than its factorization.

3211221233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728415.

The product of its digits is 432, while the sum is 20.

The square root of 3211221233 is about 56667.6383220617. The cubic root of 3211221233 is about 1475.3330639993. Note that the first 3 decimals are identical.

Adding to 3211221233 its reverse (3321221123), we get a palindrome (6532442356).

The spelling of 3211221233 in words is "three billion, two hundred eleven million, two hundred twenty-one thousand, two hundred thirty-three".