229236872 has 36 divisors (see below), whose sum is σ = 442462335. Its totient is φ = 111342400.

The previous prime is 229236871. The next prime is 229236877. The reversal of 229236872 is 278632922.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 5 ways, for example, as 229037956 + 198916 = 15134^2 + 446^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=10706.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (229236871) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2269622 + ... + 2269722.

Almost surely, 2^229236872 is an apocalyptic number.

It is an amenable number.

229236872 is a deficient number, since it is larger than the sum of its proper divisors (213225463).

229236872 is an equidigital number, since it uses as much as digits as its factorization.

229236872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314 (or 156 counting only the distinct ones).

The product of its digits is 145152, while the sum is 41.

The square root of 229236872 is about 15140.5703987664. The cubic root of 229236872 is about 612.0141893701.

The spelling of 229236872 in words is "two hundred twenty-nine million, two hundred thirty-six thousand, eight hundred seventy-two".