7220533008 has 160 divisors (see below), whose sum is σ = 20638679040. Its totient is φ = 2161635840.

The previous prime is 7220532923. The next prime is 7220533009. The reversal of 7220533008 is 8003350227.

It is not an unprimeable number, because it can be changed into a prime (7220533009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3498985 + ... + 3501047.

It is an arithmetic number, because the mean of its divisors is an integer number (128991744).

Almost surely, 2^7220533008 is an apocalyptic number.

7220533008 is a gapful number since it is divisible by the number (78) 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 7220533008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10319339520).

7220533008 is an abundant number, since it is smaller than the sum of its proper divisors (13418146032).

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

7220533008 is a wasteful number, since it uses less digits than its factorization.

7220533008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2237 (or 2231 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 7220533008 is about 84973.7195137414. The cubic root of 7220533008 is about 1932.8126197611.

The spelling of 7220533008 in words is "seven billion, two hundred twenty million, five hundred thirty-three thousand, eight".