2185852834 has 24 divisors (see below), whose sum is σ = 3775027248. Its totient is φ = 941272920.

The previous prime is 2185852819. The next prime is 2185852883. The reversal of 2185852834 is 4382585812.

It is a super-2 number, since 2×2185852834² = 9555905223811663112, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129672 + ... + 145555.

It is an arithmetic number, because the mean of its divisors is an integer number (157292802).

Almost surely, 2^2185852834 is an apocalyptic number.

2185852834 is a deficient number, since it is larger than the sum of its proper divisors (1589174414).

2185852834 is a wasteful number, since it uses less digits than its factorization.

2185852834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275278 (or 275259 counting only the distinct ones).

The product of its digits is 614400, while the sum is 46.

The square root of 2185852834 is about 46753.1050733531. The cubic root of 2185852834 is about 1297.7976188956.

The spelling of 2185852834 in words is "two billion, one hundred eighty-five million, eight hundred fifty-two thousand, eight hundred thirty-four".