229493888 has 72 divisors (see below), whose sum is σ = 499922145. Its totient is φ = 104891904.

The previous prime is 229493879. The next prime is 229493909. The reversal of 229493888 is 888394922.

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 2 ways, for example, as 196224064 + 33269824 = 14008^2 + 5768^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=10712.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2228045 + ... + 2228147.

Almost surely, 2^229493888 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 229493888

229493888 is an abundant number, since it is smaller than the sum of its proper divisors (270428257).

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

229493888 is an equidigital number, since it uses as much as digits as its factorization.

229493888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246 (or 118 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 53.

The square root of 229493888 is about 15149.0556801406. The cubic root of 229493888 is about 612.2428301465.

The spelling of 229493888 in words is "two hundred twenty-nine million, four hundred ninety-three thousand, eight hundred eighty-eight".