285580229 has 16 divisors (see below), whose sum is σ = 330402240. Its totient is φ = 243951360.

The previous prime is 285580219. The next prime is 285580231. The reversal of 285580229 is 922085582.

It is not a de Polignac number, because 285580229 - 2²⁸ = 17144773 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285580219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 226202 + ... + 227460.

It is an arithmetic number, because the mean of its divisors is an integer number (20650140).

Almost surely, 2^285580229 is an apocalyptic number.

It is an amenable number.

285580229 is a deficient number, since it is larger than the sum of its proper divisors (44822011).

285580229 is a wasteful number, since it uses less digits than its factorization.

285580229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2500.

The product of its (nonzero) digits is 115200, while the sum is 41.

The square root of 285580229 is about 16899.1191782294. The cubic root of 285580229 is about 658.5307299033.

The spelling of 285580229 in words is "two hundred eighty-five million, five hundred eighty thousand, two hundred twenty-nine".