2185471230 has 64 divisors (see below), whose sum is σ = 5396431680. Its totient is φ = 566037504.

The previous prime is 2185471213. The next prime is 2185471231. The reversal of 2185471230 is 321745812.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2185471191 and 2185471200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2185471231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 785602 + ... + 788378.

It is an arithmetic number, because the mean of its divisors is an integer number (84319245).

Almost surely, 2^2185471230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2185471230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2698215840).

2185471230 is an abundant number, since it is smaller than the sum of its proper divisors (3210960450).

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

2185471230 is a wasteful number, since it uses less digits than its factorization.

2185471230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3533.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 2185471230 is about 46749.0238400761. The cubic root of 2185471230 is about 1297.7220917638.

The spelling of 2185471230 in words is "two billion, one hundred eighty-five million, four hundred seventy-one thousand, two hundred thirty".