3421221248 has 16 divisors (see below), whose sum is σ = 6815714460. Its totient is φ = 1710610560.

The previous prime is 3421221247. The next prime is 3421221257. The reversal of 3421221248 is 8421221243.

3421221248 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (16).

It is a self number, because there is not a number n which added to its sum of digits gives 3421221248.

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 as a sum of consecutive naturals, namely, 13364018 + ... + 13364273.

Almost surely, 2^3421221248 is an apocalyptic number.

It is an amenable number.

3421221248 is a deficient number, since it is larger than the sum of its proper divisors (3394493212).

3421221248 is an equidigital number, since it uses as much as digits as its factorization.

3421221248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26728305 (or 26728293 counting only the distinct ones).

The product of its digits is 6144, while the sum is 29.

The square root of 3421221248 is about 58491.2065869734. The cubic root of 3421221248 is about 1506.8165683035.

The spelling of 3421221248 in words is "three billion, four hundred twenty-one million, two hundred twenty-one thousand, two hundred forty-eight".