229583840 has 48 divisors (see below), whose sum is σ = 570946320. Its totient is φ = 86999040.

The previous prime is 229583813. The next prime is 229583857. The reversal of 229583840 is 48385922.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34721 + ... + 40800.

It is an arithmetic number, because the mean of its divisors is an integer number (11894715).

Almost surely, 2^229583840 is an apocalyptic number.

229583840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

229583840 is an abundant number, since it is smaller than the sum of its proper divisors (341362480).

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

229583840 is a wasteful number, since it uses less digits than its factorization.

229583840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75555 (or 75547 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 229583840 is about 15152.0242872033. The cubic root of 229583840 is about 612.3228108870.

The spelling of 229583840 in words is "two hundred twenty-nine million, five hundred eighty-three thousand, eight hundred forty".