229904892 has 120 divisors (see below), whose sum is σ = 692127744. Its totient is φ = 65186208.

The previous prime is 229904839. The next prime is 229904911. The reversal of 229904892 is 298409922.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 378453 + ... + 379059.

Almost surely, 2^229904892 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 229904892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (346063872).

229904892 is an abundant number, since it is smaller than the sum of its proper divisors (462222852).

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

229904892 is a wasteful number, since it uses less digits than its factorization.

229904892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797 (or 786 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 229904892 is about 15162.6149459782. The cubic root of 229904892 is about 612.6081037567.

The spelling of 229904892 in words is "two hundred twenty-nine million, nine hundred four thousand, eight hundred ninety-two".