3421221303 has 4 divisors (see below), whose sum is σ = 4561628408. Its totient is φ = 2280814200.

The previous prime is 3421221289. The next prime is 3421221311. The reversal of 3421221303 is 3031221243.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3421221303 - 2²² = 3417026999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3421221303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3421221313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 570203548 + ... + 570203553.

It is an arithmetic number, because the mean of its divisors is an integer number (1140407102).

Almost surely, 2^3421221303 is an apocalyptic number.

3421221303 is a deficient number, since it is larger than the sum of its proper divisors (1140407105).

3421221303 is a wasteful number, since it uses less digits than its factorization.

3421221303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140407104.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 3421221303 is about 58491.2070571295. The cubic root of 3421221303 is about 1506.8165763781.

Adding to 3421221303 its reverse (3031221243), we get a palindrome (6452442546).

The spelling of 3421221303 in words is "three billion, four hundred twenty-one million, two hundred twenty-one thousand, three hundred three".