7879225224 has 64 divisors (see below), whose sum is σ = 21251059200. Its totient is φ = 2420061696.

The previous prime is 7879225223. The next prime is 7879225309. The reversal of 7879225224 is 4225229787.

It is a Cunningham number, because it is equal to 88765²-1.

It is not an unprimeable number, because it can be changed into a prime (7879225223) 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, 155337 + ... + 199719.

It is an arithmetic number, because the mean of its divisors is an integer number (332047800).

Almost surely, 2^7879225224 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 7879225224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10625529600).

7879225224 is an abundant number, since it is smaller than the sum of its proper divisors (13371833976).

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

7879225224 is a wasteful number, since it uses less digits than its factorization.

7879225224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44974 (or 44970 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 48.

The square root of 7879225224 is about 88764.9999943671. Note that the first 5 decimals coincide. The cubic root of 7879225224 is about 1989.8843584897.

The spelling of 7879225224 in words is "seven billion, eight hundred seventy-nine million, two hundred twenty-five thousand, two hundred twenty-four".