3220033021 has 8 divisors (see below), whose sum is σ = 3228596280. Its totient is φ = 3211481088.

The previous prime is 3220032989. The next prime is 3220033039. The reversal of 3220033021 is 1203300223.

It can be written as a sum of positive squares in 4 ways, for example, as 556440921 + 2663592100 = 23589^2 + 51610^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3220033021 - 2⁵ = 3220032989 is a prime.

It is a super-2 number, since 2×3220033021² = 20737225312660772882, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3220032986 and 3220033004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220033081) 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, 929725 + ... + 933181.

It is an arithmetic number, because the mean of its divisors is an integer number (403574535).

Almost surely, 2^3220033021 is an apocalyptic number.

It is an amenable number.

3220033021 is a deficient number, since it is larger than the sum of its proper divisors (8563259).

3220033021 is a wasteful number, since it uses less digits than its factorization.

3220033021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5663.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 3220033021 is about 56745.3347950296. The cubic root of 3220033021 is about 1476.6812996719.

Adding to 3220033021 its reverse (1203300223), we get a palindrome (4423333244).

The spelling of 3220033021 in words is "three billion, two hundred twenty million, thirty-three thousand, twenty-one".