8540922 has 24 divisors (see below), whose sum is σ = 18499104. Its totient is φ = 2627664.

The previous prime is 8540921. The next prime is 8540933. The reversal of 8540922 is 2290458.

It is a super-2 number, since 2×8540922² = 145894697220168, which contains 22 as substring.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 8540922.

It is not an unprimeable number, because it can be changed into a prime (8540921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3198 + ... + 5225.

It is an arithmetic number, because the mean of its divisors is an integer number (770796).

Almost surely, 2^8540922 is an apocalyptic number.

8540922 is an abundant number, since it is smaller than the sum of its proper divisors (9958182).

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

8540922 is a wasteful number, since it uses less digits than its factorization.

8540922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8454 (or 8441 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 8540922 is about 2922.4855859354. The cubic root of 8540922 is about 204.4097397202.

The spelling of 8540922 in words is "eight million, five hundred forty thousand, nine hundred twenty-two".