3300421221 has 10 divisors (see below), whose sum is σ = 4930258982. Its totient is φ = 2200280760.

The previous prime is 3300421219. The next prime is 3300421249. The reversal of 3300421221 is 1221240033.

3300421221 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 only one way, i.e., 2476157121 + 824264100 = 49761^2 + 28710^2 .

It is not a de Polignac number, because 3300421221 - 2¹ = 3300421219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3300421194 and 3300421203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3300421291) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 20372890 + ... + 20373051.

Almost surely, 2^3300421221 is an apocalyptic number.

It is an amenable number.

3300421221 is a deficient number, since it is larger than the sum of its proper divisors (1629837761).

3300421221 is an equidigital number, since it uses as much as digits as its factorization.

3300421221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40745953 (or 40745944 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 3300421221 is about 57449.2926066109. The cubic root of 3300421221 is about 1488.8688953259.

Adding to 3300421221 its reverse (1221240033), we get a palindrome (4521661254).

The spelling of 3300421221 in words is "three billion, three hundred million, four hundred twenty-one thousand, two hundred twenty-one".