229109904 has 160 divisors (see below), whose sum is σ = 701542400. Its totient is φ = 71383680.

The previous prime is 229109899. The next prime is 229109911. The reversal of 229109904 is 409901922.

229109904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×229109904² = 104982696221778432, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 845289 + ... + 845559.

It is an arithmetic number, because the mean of its divisors is an integer number (4384640).

Almost surely, 2^229109904 is an apocalyptic number.

229109904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 229109904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (350771200).

229109904 is an abundant number, since it is smaller than the sum of its proper divisors (472432496).

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

229109904 is a wasteful number, since it uses less digits than its factorization.

229109904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410 (or 398 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 229109904 is about 15136.3768452031. The cubic root of 229109904 is about 611.9011758923.

The spelling of 229109904 in words is "two hundred twenty-nine million, one hundred nine thousand, nine hundred four".