7218830048 has 48 divisors (see below), whose sum is σ = 15008789376. Its totient is φ = 3410858880.

The previous prime is 7218830041. The next prime is 7218830051. The reversal of 7218830048 is 8400388127.

It is a super-2 number, since 2×7218830048² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7218829987 and 7218830014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7218830041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2003 + ... + 120173.

It is an arithmetic number, because the mean of its divisors is an integer number (312683112).

Almost surely, 2^7218830048 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 7218830048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7504394688).

7218830048 is an abundant number, since it is smaller than the sum of its proper divisors (7789959328).

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

7218830048 is a wasteful number, since it uses less digits than its factorization.

7218830048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118287 (or 118279 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 41.

The square root of 7218830048 is about 84963.6984129104. The cubic root of 7218830048 is about 1932.6606567700.

The spelling of 7218830048 in words is "seven billion, two hundred eighteen million, eight hundred thirty thousand, forty-eight".