229716630 has 144 divisors (see below), whose sum is σ = 706049136. Its totient is φ = 51367680.

The previous prime is 229716629. The next prime is 229716649. The reversal of 229716630 is 36617922.

229716630 is a `hidden beast` number, since 2 + 2 + 9 + 7 + 16 + 630 = 666.

229716630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 166624 + ... + 167996.

It is an arithmetic number, because the mean of its divisors is an integer number (4903119).

Almost surely, 2^229716630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 229716630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (353024568).

229716630 is an abundant number, since it is smaller than the sum of its proper divisors (476332506).

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

229716630 is a wasteful number, since it uses less digits than its factorization.

229716630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1423 (or 1407 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 229716630 is about 15156.4055765211. The cubic root of 229716630 is about 612.4408428219.

The spelling of 229716630 in words is "two hundred twenty-nine million, seven hundred sixteen thousand, six hundred thirty".