8180922 has 32 divisors (see below), whose sum is σ = 17214912. Its totient is φ = 2588544.

The previous prime is 8180917. The next prime is 8180923. The reversal of 8180922 is 2290818.

It is a self number, because there is not a number n which added to its sum of digits gives 8180922.

It is not an unprimeable number, because it can be changed into a prime (8180923) 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, 9118 + ... + 9974.

It is an arithmetic number, because the mean of its divisors is an integer number (537966).

Almost surely, 2^8180922 is an apocalyptic number.

8180922 is an abundant number, since it is smaller than the sum of its proper divisors (9033990).

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

8180922 is a wasteful number, since it uses less digits than its factorization.

8180922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 8180922 is about 2860.2311095434. The cubic root of 8180922 is about 201.4964584674.

It can be divided in two parts, 81 and 80922, that added together give a triangular number (81003 = T₄₀₂).

The spelling of 8180922 in words is "eight million, one hundred eighty thousand, nine hundred twenty-two".