229819904 has 20 divisors (see below), whose sum is σ = 459191964. Its totient is φ = 114909696.

The previous prime is 229819861. The next prime is 229819943. The reversal of 229819904 is 409918922.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223922 + ... + 224945.

Almost surely, 2^229819904 is an apocalyptic number.

It is an amenable number.

229819904 is a deficient number, since it is larger than the sum of its proper divisors (229372060).

229819904 is an frugal number, since it uses more digits than its factorization.

229819904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448885 (or 448869 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 229819904 is about 15159.8121360392. The cubic root of 229819904 is about 612.5326076768.

The spelling of 229819904 in words is "two hundred twenty-nine million, eight hundred nineteen thousand, nine hundred four".