3421822520 has 64 divisors (see below), whose sum is σ = 7988479200. Its totient is φ = 1317568000.

The previous prime is 3421822519. The next prime is 3421822553. The reversal of 3421822520 is 252281243.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 398270 + ... + 406770.

Almost surely, 2^3421822520 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 3421822520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3994239600).

3421822520 is an abundant number, since it is smaller than the sum of its proper divisors (4566656680).

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

3421822520 is a wasteful number, since it uses less digits than its factorization.

3421822520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8888 (or 8884 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 3421822520 is about 58496.3462106823. The cubic root of 3421822520 is about 1506.9048363492.

The spelling of 3421822520 in words is "three billion, four hundred twenty-one million, eight hundred twenty-two thousand, five hundred twenty".