3220444320 has 96 divisors (see below), whose sum is σ = 10197254592. Its totient is φ = 854310912.

The previous prime is 3220444319. The next prime is 3220444321. The reversal of 3220444320 is 234440223.

3220444320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3220444319) and next prime (3220444321).

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (3220444321) 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, 75259 + ... + 110021.

It is an arithmetic number, because the mean of its divisors is an integer number (106221402).

Almost surely, 2^3220444320 is an apocalyptic number.

3220444320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3220444320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5098627296).

3220444320 is an abundant number, since it is smaller than the sum of its proper divisors (6976810272).

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

3220444320 is a wasteful number, since it uses less digits than its factorization.

3220444320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34974 (or 34966 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 3220444320 is about 56748.9587569675. The cubic root of 3220444320 is about 1476.7441698020.

Adding to 3220444320 its reverse (234440223), we get a palindrome (3454884543).

The spelling of 3220444320 in words is "three billion, two hundred twenty million, four hundred forty-four thousand, three hundred twenty".