229540608 has 144 divisors (see below), whose sum is σ = 740745600. Its totient is φ = 69534720.

The previous prime is 229540603. The next prime is 229540627. The reversal of 229540608 is 806045922.

It is a happy number.

229540608 is a `hidden beast` number, since 2 + 2 + 9 + 5 + 40 + 608 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

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

It is not an unprimeable number, because it can be changed into a prime (229540603) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 74523 + ... + 77541.

Almost surely, 2^229540608 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 229540608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (370372800).

229540608 is an abundant number, since it is smaller than the sum of its proper divisors (511204992).

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

229540608 is a wasteful number, since it uses less digits than its factorization.

229540608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3055 (or 3035 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 229540608 is about 15150.5976119756. The cubic root of 229540608 is about 612.2843738008.

The spelling of 229540608 in words is "two hundred twenty-nine million, five hundred forty thousand, six hundred eight".