229865472 has 96 divisors (see below), whose sum is σ = 681080400. Its totient is φ = 76603392.

The previous prime is 229865453. The next prime is 229865491. The reversal of 229865472 is 274568922.

229865472 is a `hidden beast` number, since 2 + 29 + 86 + 547 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (229865453) and next prime (229865491).

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53218 + ... + 57374.

Almost surely, 2^229865472 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 229865472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (340540200).

229865472 is an abundant number, since it is smaller than the sum of its proper divisors (451214928).

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

229865472 is an equidigital number, since it uses as much as digits as its factorization.

229865472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4188 (or 4162 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 229865472 is about 15161.3149825469. The cubic root of 229865472 is about 612.5730887097.

The spelling of 229865472 in words is "two hundred twenty-nine million, eight hundred sixty-five thousand, four hundred seventy-two".