4225320720 has 160 divisors (see below), whose sum is σ = 14586566400. Its totient is φ = 1124222976.

The previous prime is 4225320713. The next prime is 4225320751. The reversal of 4225320720 is 270235224.

It is a super-2 number, since 2×4225320720² = 35706670373722636800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1084536 + ... + 1088424.

It is an arithmetic number, because the mean of its divisors is an integer number (91166040).

Almost surely, 2^4225320720 is an apocalyptic number.

4225320720 is a gapful number since it is divisible by the number (40) 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 4225320720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7293283200).

4225320720 is an abundant number, since it is smaller than the sum of its proper divisors (10361245680).

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

4225320720 is a wasteful number, since it uses less digits than its factorization.

4225320720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4414 (or 4402 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 4225320720 is about 65002.4670301059. The cubic root of 4225320720 is about 1616.6644675399.

Adding to 4225320720 its reverse (270235224), we get a palindrome (4495555944).

The spelling of 4225320720 in words is "four billion, two hundred twenty-five million, three hundred twenty thousand, seven hundred twenty".