3227818420 has 48 divisors (see below), whose sum is σ = 7151175360. Its totient is φ = 1220431104.

The previous prime is 3227818387. The next prime is 3227818423. The reversal of 3227818420 is 248187223.

It is a self number, because there is not a number n which added to its sum of digits gives 3227818420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3227818423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164367 + ... + 182953.

It is an arithmetic number, because the mean of its divisors is an integer number (148982820).

Almost surely, 2^3227818420 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 3227818420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3575587680).

3227818420 is an abundant number, since it is smaller than the sum of its proper divisors (3923356940).

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

3227818420 is a wasteful number, since it uses less digits than its factorization.

3227818420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19072 (or 19070 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 3227818420 is about 56813.8928432122. The cubic root of 3227818420 is about 1477.8704489762.

The spelling of 3227818420 in words is "three billion, two hundred twenty-seven million, eight hundred eighteen thousand, four hundred twenty".