2285404188 has 12 divisors (see below), whose sum is σ = 5332609800. Its totient is φ = 761801392.

The previous prime is 2285404183. The next prime is 2285404213. The reversal of 2285404188 is 8814045822.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2285404183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95225163 + ... + 95225186.

It is an arithmetic number, because the mean of its divisors is an integer number (444384150).

Almost surely, 2^2285404188 is an apocalyptic number.

It is an amenable number.

2285404188 is an abundant number, since it is smaller than the sum of its proper divisors (3047205612).

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

2285404188 is a wasteful number, since it uses less digits than its factorization.

2285404188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190450356 (or 190450354 counting only the distinct ones).

The product of its (nonzero) digits is 163840, while the sum is 42.

The square root of 2285404188 is about 47805.9011838497. The cubic root of 2285404188 is about 1317.2079390827.

The spelling of 2285404188 in words is "two billion, two hundred eighty-five million, four hundred four thousand, one hundred eighty-eight".