1840005522 has 24 divisors (see below), whose sum is σ = 3995307264. Its totient is φ = 612007704.

The previous prime is 1840005521. The next prime is 1840005529. The reversal of 1840005522 is 2255000481.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1840005521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102058 + ... + 118725.

It is an arithmetic number, because the mean of its divisors is an integer number (166471136).

Almost surely, 2^1840005522 is an apocalyptic number.

1840005522 is an abundant number, since it is smaller than the sum of its proper divisors (2155301742).

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

1840005522 is a wasteful number, since it uses less digits than its factorization.

1840005522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221254 (or 221251 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 1840005522 is about 42895.2855451505. The cubic root of 1840005522 is about 1225.3863608736.

The spelling of 1840005522 in words is "one billion, eight hundred forty million, five thousand, five hundred twenty-two".