229737871 has 4 divisors (see below), whose sum is σ = 250623144. Its totient is φ = 208852600.

The previous prime is 229737803. The next prime is 229737887. The reversal of 229737871 is 178737922.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 229737871 - 2¹³ = 229729679 is a prime.

It is a super-2 number, since 2×229737871² = 105558978743225282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229731871) 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, 10442620 + ... + 10442641.

It is an arithmetic number, because the mean of its divisors is an integer number (62655786).

Almost surely, 2^229737871 is an apocalyptic number.

229737871 is a deficient number, since it is larger than the sum of its proper divisors (20885273).

229737871 is a wasteful number, since it uses less digits than its factorization.

229737871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20885272.

The product of its digits is 296352, while the sum is 46.

The square root of 229737871 is about 15157.1062871513. The cubic root of 229737871 is about 612.4597189114.

The spelling of 229737871 in words is "two hundred twenty-nine million, seven hundred thirty-seven thousand, eight hundred seventy-one".