229291904 has 16 divisors (see below), whose sum is σ = 456792720. Its totient is φ = 114645888.

The previous prime is 229291901. The next prime is 229291921. The reversal of 229291904 is 409192922.

229291904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229291901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 895544 + ... + 895799.

It is an arithmetic number, because the mean of its divisors is an integer number (28549545).

Almost surely, 2^229291904 is an apocalyptic number.

It is an amenable number.

229291904 is a deficient number, since it is larger than the sum of its proper divisors (227500816).

229291904 is an equidigital number, since it uses as much as digits as its factorization.

229291904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1791357 (or 1791345 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 229291904 is about 15142.3876584903. The cubic root of 229291904 is about 612.0631600698.

The spelling of 229291904 in words is "two hundred twenty-nine million, two hundred ninety-one thousand, nine hundred four".