7822915572 has 48 divisors (see below), whose sum is σ = 19098414720. Its totient is φ = 2487543168.

The previous prime is 7822915559. The next prime is 7822915591. The reversal of 7822915572 is 2755192287.

It is a super-2 number, since 2×7822915572² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 64954 + ... + 140942.

It is an arithmetic number, because the mean of its divisors is an integer number (397883640).

Almost surely, 2^7822915572 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 7822915572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9549207360).

7822915572 is an abundant number, since it is smaller than the sum of its proper divisors (11275499148).

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

7822915572 is a wasteful number, since it uses less digits than its factorization.

7822915572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76392 (or 76390 counting only the distinct ones).

The product of its digits is 705600, while the sum is 48.

The square root of 7822915572 is about 88447.2473964001. The cubic root of 7822915572 is about 1985.1327201790.

The spelling of 7822915572 in words is "seven billion, eight hundred twenty-two million, nine hundred fifteen thousand, five hundred seventy-two".