229940288 has 28 divisors (see below), whose sum is σ = 464903820. Its totient is φ = 112799232.

The previous prime is 229940281. The next prime is 229940303. The reversal of 229940288 is 882049922.

It can be written as a sum of positive squares in 2 ways, for example, as 192876544 + 37063744 = 13888^2 + 6088^2 .

It is not an unprimeable number, because it can be changed into a prime (229940281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30503 + ... + 37286.

Almost surely, 2^229940288 is an apocalyptic number.

It is an amenable number.

229940288 is an abundant number, since it is smaller than the sum of its proper divisors (234963532).

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

229940288 is an equidigital number, since it uses as much as digits as its factorization.

229940288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67854 (or 67844 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 229940288 is about 15163.7821139714. The cubic root of 229940288 is about 612.6395410517.

The spelling of 229940288 in words is "two hundred twenty-nine million, nine hundred forty thousand, two hundred eighty-eight".