3033211221 has 12 divisors (see below), whose sum is σ = 4382591148. Its totient is φ = 2021547264.

The previous prime is 3033211199. The next prime is 3033211229. The reversal of 3033211221 is 1221123303.

It can be written as a sum of positive squares in 2 ways, for example, as 2776763025 + 256448196 = 52695^2 + 16014^2 .

It is not a de Polignac number, because 3033211221 - 2¹⁰ = 3033210197 is a prime.

It is a super-2 number, since 2×3033211221² = 18400740622400621682, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3033211194 and 3033211203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3033211229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15900 + ... + 79493.

It is an arithmetic number, because the mean of its divisors is an integer number (365215929).

Almost surely, 2^3033211221 is an apocalyptic number.

It is an amenable number.

3033211221 is a deficient number, since it is larger than the sum of its proper divisors (1349379927).

3033211221 is a wasteful number, since it uses less digits than its factorization.

3033211221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98932 (or 98929 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 3033211221 is about 55074.5968755106. The cubic root of 3033211221 is about 1447.5521475302.

Adding to 3033211221 its reverse (1221123303), we get a palindrome (4254334524).

The spelling of 3033211221 in words is "three billion, thirty-three million, two hundred eleven thousand, two hundred twenty-one".