3421221244 has 48 divisors (see below), whose sum is σ = 7216491520. Its totient is φ = 1386383040.

The previous prime is 3421221203. The next prime is 3421221247. The reversal of 3421221244 is 4421221243.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3421221247) 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, 281869 + ... + 293755.

Almost surely, 2^3421221244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3421221244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3608245760).

3421221244 is an abundant number, since it is smaller than the sum of its proper divisors (3795270276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3421221244 is a wasteful number, since it uses less digits than its factorization.

3421221244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12458 (or 12456 counting only the distinct ones).

The product of its digits is 3072, while the sum is 25.

The square root of 3421221244 is about 58491.2065527802. The cubic root of 3421221244 is about 1506.8165677162.

Adding to 3421221244 its reverse (4421221243), we get a palindrome (7842442487).

Subtracting 3421221244 from its reverse (4421221243), we obtain a palindrome (999999999).

The spelling of 3421221244 in words is "three billion, four hundred twenty-one million, two hundred twenty-one thousand, two hundred forty-four".