3302403221 has 16 divisors (see below), whose sum is σ = 3793157424. Its totient is φ = 2848088064.

The previous prime is 3302403199. The next prime is 3302403229. The reversal of 3302403221 is 1223042033.

3302403221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 179158225 + 3123244996 = 13385^2 + 55886^2 .

It is not a de Polignac number, because 3302403221 - 2⁶ = 3302403157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3302403193 and 3302403202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3302403229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24260 + ... + 84813.

It is an arithmetic number, because the mean of its divisors is an integer number (237072339).

Almost surely, 2^3302403221 is an apocalyptic number.

It is an amenable number.

3302403221 is a deficient number, since it is larger than the sum of its proper divisors (490754203).

3302403221 is a wasteful number, since it uses less digits than its factorization.

3302403221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109240.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 3302403221 is about 57466.5400124281. The cubic root of 3302403221 is about 1489.1668722044.

Adding to 3302403221 its reverse (1223042033), we get a palindrome (4525445254).

The spelling of 3302403221 in words is "three billion, three hundred two million, four hundred three thousand, two hundred twenty-one".