8405822572 has 12 divisors (see below), whose sum is σ = 16811645200. Its totient is φ = 3602495376.

The previous prime is 8405822569. The next prime is 8405822587. The reversal of 8405822572 is 2752285048.

8405822572 is an admirable number.

It is a super-2 number, since 2×8405822572² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

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 3 ways as a sum of consecutive naturals, for example, 150103947 + ... + 150104002.

Almost surely, 2^8405822572 is an apocalyptic number.

It is an amenable number.

8405822572 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

8405822572 is a wasteful number, since it uses less digits than its factorization.

8405822572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300207960 (or 300207958 counting only the distinct ones).

The product of its (nonzero) digits is 358400, while the sum is 43.

The square root of 8405822572 is about 91683.2731309261. The cubic root of 8405822572 is about 2033.2622909396.

The spelling of 8405822572 in words is "eight billion, four hundred five million, eight hundred twenty-two thousand, five hundred seventy-two".