229744666 has 8 divisors (see below), whose sum is σ = 350266644. Its totient is φ = 112989120.

The previous prime is 229744663. The next prime is 229744679. The reversal of 229744666 is 666447922.

It can be written as a sum of positive squares in 2 ways, for example, as 227557225 + 2187441 = 15085^2 + 1479^2 .

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

It is a super-2 number, since 2×229744666² = 105565223110903112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (229744661) 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, 941455 + ... + 941698.

Almost surely, 2^229744666 is an apocalyptic number.

229744666 is a deficient number, since it is larger than the sum of its proper divisors (120521978).

229744666 is a wasteful number, since it uses less digits than its factorization.

229744666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1883216.

The product of its digits is 870912, while the sum is 46.

The square root of 229744666 is about 15157.3304377783. The cubic root of 229744666 is about 612.4657571305.

The spelling of 229744666 in words is "two hundred twenty-nine million, seven hundred forty-four thousand, six hundred sixty-six".