229173730 has 8 divisors (see below), whose sum is σ = 412512732. Its totient is φ = 91669488.

The previous prime is 229173713. The next prime is 229173733. The reversal of 229173730 is 37371922.

It can be written as a sum of positive squares in 2 ways, for example, as 208022929 + 21150801 = 14423^2 + 4599^2 .

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

It is a super-2 number, since 2×229173730² = 105041197044225800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (229173733) 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, 11458677 + ... + 11458696.

Almost surely, 2^229173730 is an apocalyptic number.

229173730 is a deficient number, since it is larger than the sum of its proper divisors (183339002).

229173730 is a wasteful number, since it uses less digits than its factorization.

229173730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22917380.

The product of its (nonzero) digits is 15876, while the sum is 34.

The square root of 229173730 is about 15138.4850629117. The cubic root of 229173730 is about 611.9579922610.

The spelling of 229173730 in words is "two hundred twenty-nine million, one hundred seventy-three thousand, seven hundred thirty".