229471164 has 96 divisors (see below), whose sum is σ = 645906240. Its totient is φ = 70032384.

The previous prime is 229471163. The next prime is 229471199. The reversal of 229471164 is 461174922.

It is a happy number.

229471164 is a `hidden beast` number, since 2 + 29 + 471 + 164 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229471163) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 191752 + ... + 192944.

It is an arithmetic number, because the mean of its divisors is an integer number (6728190).

Almost surely, 2^229471164 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 229471164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (322953120).

229471164 is an abundant number, since it is smaller than the sum of its proper divisors (416435076).

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

229471164 is a wasteful number, since it uses less digits than its factorization.

229471164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356 (or 1348 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 229471164 is about 15148.3056478274. The cubic root of 229471164 is about 612.2226218156. Note that the first 3 decimals are identical.

The spelling of 229471164 in words is "two hundred twenty-nine million, four hundred seventy-one thousand, one hundred sixty-four".