3220029 has 6 divisors (see below), whose sum is σ = 4651166. Its totient is φ = 2146680.

The previous prime is 3220027. The next prime is 3220033. The reversal of 3220029 is 9200223.

It can be written as a sum of positive squares in only one way, i.e., 1954404 + 1265625 = 1398^2 + 1125^2 .

It is not a de Polignac number, because 3220029 - 2¹ = 3220027 is a prime.

It is a Duffinian number.

3220029 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3219993 and 3220020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220027) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 178882 + ... + 178899.

Almost surely, 2^3220029 is an apocalyptic number.

It is an amenable number.

3220029 is a deficient number, since it is larger than the sum of its proper divisors (1431137).

3220029 is a wasteful number, since it uses less digits than its factorization.

3220029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357787 (or 357784 counting only the distinct ones).

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

The square root of 3220029 is about 1794.4439250085. The cubic root of 3220029 is about 147.6680685006.

The spelling of 3220029 in words is "three million, two hundred twenty thousand, twenty-nine".