229662666 has 24 divisors (see below), whose sum is σ = 500188260. Its totient is φ = 76156416.

The previous prime is 229662623. The next prime is 229662677. The reversal of 229662666 is 666266922.

It can be written as a sum of positive squares in 2 ways, for example, as 229068225 + 594441 = 15135^2 + 771^2 .

It is a nude number because it is divisible by every one of its digits.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29581 + ... + 36528.

Almost surely, 2^229662666 is an apocalyptic number.

229662666 is an abundant number, since it is smaller than the sum of its proper divisors (270525594).

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

229662666 is a wasteful number, since it uses less digits than its factorization.

229662666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66310 (or 66307 counting only the distinct ones).

The product of its digits is 559872, while the sum is 45.

The square root of 229662666 is about 15154.6252345612. The cubic root of 229662666 is about 612.3928817812.

The spelling of 229662666 in words is "two hundred twenty-nine million, six hundred sixty-two thousand, six hundred sixty-six".