3403003221 has 6 divisors (see below), whose sum is σ = 4915449110. Its totient is φ = 2268668808.

The previous prime is 3403003211. The next prime is 3403003243. The reversal of 3403003221 is 1223003043.

3403003221 is a `hidden beast` number, since 3 + 40 + 300 + 322 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3400522596 + 2480625 = 58314^2 + 1575^2 .

It is not a de Polignac number, because 3403003221 - 2²⁹ = 2866132309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3403003194 and 3403003203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3403003211) 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, 189055726 + ... + 189055743.

Almost surely, 2^3403003221 is an apocalyptic number.

It is an amenable number.

3403003221 is a deficient number, since it is larger than the sum of its proper divisors (1512445889).

3403003221 is a wasteful number, since it uses less digits than its factorization.

3403003221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378111475 (or 378111472 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 3403003221 is about 58335.2656718044. The cubic root of 3403003221 is about 1504.1372038717.

Adding to 3403003221 its reverse (1223003043), we get a palindrome (4626006264).

The spelling of 3403003221 in words is "three billion, four hundred three million, three thousand, two hundred twenty-one".