229271666 has 8 divisors (see below), whose sum is σ = 370361964. Its totient is φ = 105817680.

The previous prime is 229271663. The next prime is 229271677. The reversal of 229271666 is 666172922.

229271666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 204061225 + 25210441 = 14285^2 + 5021^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (229271663) 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, 4409045 + ... + 4409096.

Almost surely, 2^229271666 is an apocalyptic number.

229271666 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

229271666 is a deficient number, since it is larger than the sum of its proper divisors (141090298).

229271666 is a wasteful number, since it uses less digits than its factorization.

229271666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8818156.

The product of its digits is 108864, while the sum is 41.

The square root of 229271666 is about 15141.7193871766. The cubic root of 229271666 is about 612.0451520221.

The spelling of 229271666 in words is "two hundred twenty-nine million, two hundred seventy-one thousand, six hundred sixty-six".